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Finish lab 6

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Chloe Fontenot 🏳️‍⚧️ 2023-03-21 11:43:38 -05:00
parent 50674e0cef
commit fb70cf62b6
19 changed files with 1075 additions and 2 deletions
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74
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/Printed HTMLs/CircleWithChehckedException.html Normal file
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>CircleWithCheckedException.java</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<style type="text/css">
<!--
body {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
pre {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
table {color: #888888; background-color: #313335; font-family: monospace}
.number {color: #6897bb}
.string {color: #6a8759}
.comment {color: #808080}
.whitespace {color: #505050}
.ST0 {color: #808080; font-family: monospace; font-weight: bold}
.literal {color: #cc7832}
-->
</style>
</head>
<body>
<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 2/Assignments/lab6-Exceptions_CalebFontenot/src/main/java/com/mycompany/lab6/exceptions_calebfontenot/CircleWithCheckedException.java</td></tr></table>
<pre>
<span class="comment">/*</span>
<span class="comment"> * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license</span>
<span class="comment"> * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template</span>
<span class="comment"> */</span>
<span class="literal">package</span> com.mycompany.lab6.exceptions_calebfontenot;
<span class="comment">/**</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST0">@author</span> <span class="comment">calebfontenot</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">class</span> CircleWithCheckedException {
<span class="literal">private</span> <span class="literal">double</span> radius;
<span class="literal">public</span> CircleWithCheckedException() <span class="literal">throws</span> Exception
{
<span class="literal">this</span>(<span class="number">1.0</span>);
}
<span class="literal">public</span> CircleWithCheckedException(<span class="literal">double</span> radius) <span class="literal">throws</span> Exception
{
<span class="literal">if</span> (radius &lt; <span class="number">0</span>) {
<span class="literal">throw</span> <span class="literal">new</span> Exception(<span class="string">&quot;</span><span class="string">Radius cannot be negative.</span><span class="string">&quot;</span>);
}
<span class="literal">this</span>.radius = radius;
}
<span class="literal">public</span> <span class="literal">double</span> getRadius() {
<span class="literal">return</span> radius;
}
<span class="literal">public</span> <span class="literal">void</span> setRadius(<span class="literal">double</span> radius) <span class="literal">throws</span> Exception {
<span class="literal">if</span> (radius &lt; <span class="number">0</span>) {
<span class="literal">throw</span> <span class="literal">new</span> Exception(<span class="string">&quot;</span><span class="string">Radius cannot be negative.</span><span class="string">&quot;</span>);
}
<span class="literal">this</span>.radius = radius;
}
@Override
<span class="literal">public</span> String toString() {
<span class="literal">return</span> <span class="string">&quot;</span><span class="string">CircleWithCheckedException{</span><span class="string">&quot;</span> + <span class="string">&quot;</span><span class="string">radius=</span><span class="string">&quot;</span> + radius + <span class="string">&#39;</span><span class="string">}</span><span class="string">&#39;</span>;
}
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> main(String[] args) {
<span class="literal">try</span> {
System.out.println(<span class="literal">new</span> CircleWithCheckedException(<span class="number">5</span>));
System.out.println(<span class="literal">new</span> CircleWithCheckedException(-<span class="number">5</span>));
System.out.println(<span class="literal">new</span> CircleWithCheckedException(<span class="number">10</span>));
} <span class="literal">catch</span> (Exception ex) {
System.err.println(<span class="string">&quot;</span><span class="string">an exception occured: </span><span class="string">&quot;</span> + ex.getMessage());
}
}
}
</pre></body>
</html>

40
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/Printed HTMLs/Lab6Exceptions_CalebFontenot.html Normal file
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>Lab6Exceptions_CalebFontenot.java</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<style type="text/css">
<!--
body {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
pre {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
table {color: #888888; background-color: #313335; font-family: monospace}
.string {color: #6a8759}
.comment {color: #808080}
.whitespace {color: #505050}
.ST0 {color: #808080; font-family: monospace; font-weight: bold}
.literal {color: #cc7832}
-->
</style>
</head>
<body>
<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 2/Assignments/lab6-Exceptions_CalebFontenot/src/main/java/com/mycompany/lab6/exceptions_calebfontenot/Lab6Exceptions_CalebFontenot.java</td></tr></table>
<pre>
<span class="comment">/*</span>
<span class="comment"> * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license</span>
<span class="comment"> */</span>
<span class="literal">package</span> com.mycompany.lab6.exceptions_calebfontenot;
<span class="comment">/**</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST0">@author</span> <span class="comment">calebfontenot</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">class</span> Lab6Exceptions_CalebFontenot {
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> main(String[] args) {
System.out.println(<span class="string">&quot;</span><span class="string">Hello World!</span><span class="string">&quot;</span>);
}
}
</pre></body>
</html>

73
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/Printed HTMLs/ProcessScoresInTextFile.html Normal file
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>ProcessScoresInTextFile.java</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<style type="text/css">
<!--
body {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
pre {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
table {color: #888888; background-color: #313335; font-family: monospace}
.string {color: #6a8759}
.number {color: #6897bb}
.comment {color: #808080}
.whitespace {color: #505050}
.ST2 {color: #ffc66d; font-family: monospace; font-style: italic}
.ST3 {color: #9876aa; font-family: monospace; font-style: italic}
.ST1 {color: #808080; font-family: monospace; font-weight: bold}
.ST0 {color: #287bde}
.literal {color: #cc7832}
-->
</style>
</head>
<body>
<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 2/Assignments/lab6-Exceptions_CalebFontenot/src/main/java/com/mycompany/lab6/exceptions_calebfontenot/ProcessScoresInTextFile.java</td></tr></table>
<pre>
<span class="comment">/*</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt</span><span class="comment"> to change this license</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java</span><span class="comment"> to edit this template</span>
<span class="comment"> */</span>
<span class="literal">package</span> com.mycompany.lab6.exceptions_calebfontenot;
<span class="literal">import</span> java.io.File;
<span class="literal">import</span> java.util.ArrayList;
<span class="literal">import</span> java.util.Scanner;
<span class="comment">/**</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@author</span> <span class="comment">caleb</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">class</span> ProcessScoresInTextFile {
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST2">main</span>(String[] args) <span class="literal">throws</span> Exception
{
File file = <span class="literal">new</span> File(<span class="string">&quot;</span><span class="string">scores.txt</span><span class="string">&quot;</span>);
<span class="comment">// Create a scanner for the file</span>
Scanner input = <span class="literal">new</span> Scanner(file);
ArrayList&lt;String&gt; nameAR = <span class="literal">new</span> ArrayList&lt;&gt;();
ArrayList&lt;Integer&gt; intAR = <span class="literal">new</span> ArrayList&lt;&gt;();
<span class="comment">// Read data from file</span>
<span class="literal">int</span> iterate = <span class="number">0</span>;
<span class="literal">int</span> score;
<span class="literal">while</span> (input.hasNext()) {
iterate++;
String name = input.next();
score = input.nextInt();
nameAR.add(name);
intAR.add((Integer) score);
}
<span class="literal">double</span> average = <span class="number">0</span>;
<span class="literal">for</span> (<span class="literal">int</span> i = <span class="number">0</span>; i &lt; intAR.size(); ++i) {
System.<span class="ST3">out</span>.print(nameAR.get(i) + <span class="string">&quot;</span> <span class="string">&quot;</span>);
System.<span class="ST3">out</span>.println(intAR.get(i));
average += intAR.get(i);
}
average = (average / intAR.size());
System.<span class="ST3">out</span>.println(<span class="string">&quot;</span><span class="string">Average: </span><span class="string">&quot;</span> + average);
}
}
</pre></body>
</html>

73
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/Printed HTMLs/ReadFileFromURL.html Normal file
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>ReadFileFromURL.java</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<style type="text/css">
<!--
body {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
pre {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
table {color: #888888; background-color: #313335; font-family: monospace}
.string {color: #6a8759}
.number {color: #6897bb}
.comment {color: #808080}
.whitespace {color: #505050}
.ST2 {color: #ffc66d; font-family: monospace; font-style: italic}
.ST3 {color: #9876aa; font-family: monospace; font-style: italic}
.ST1 {color: #808080; font-family: monospace; font-weight: bold}
.ST0 {color: #287bde}
.literal {color: #cc7832}
-->
</style>
</head>
<body>
<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 2/Assignments/lab6-Exceptions_CalebFontenot/src/main/java/com/mycompany/lab6/exceptions_calebfontenot/ReadFileFromURL.java</td></tr></table>
<pre>
<span class="comment">/*</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt</span><span class="comment"> to change this license</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java</span><span class="comment"> to edit this template</span>
<span class="comment"> */</span>
<span class="literal">package</span> com.mycompany.lab6.exceptions_calebfontenot;
<span class="literal">import</span> java.util.Scanner;
<span class="comment">/**</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@author</span> <span class="comment">caleb</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">class</span> ReadFileFromURL {
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST2">main</span>(String[] args)
{
<span class="literal">boolean</span> continueLoop = <span class="literal">false</span>;
<span class="literal">boolean</span> exceptionThrown = <span class="literal">false</span>;
<span class="literal">do</span> {
System.<span class="ST3">out</span>.print(<span class="string">&quot;</span><span class="string">Enter a URL: </span><span class="string">&quot;</span>);
String URLString = <span class="literal">new</span> Scanner(System.<span class="ST3">in</span>).next();
<span class="literal">try</span> {
java.net.URL url = <span class="literal">new</span> java.net.URL(URLString);
<span class="literal">int</span> count = <span class="number">0</span>;
Scanner input = <span class="literal">new</span> Scanner(url.openStream());
<span class="literal">while</span> (input.hasNext()) {
String line = input.nextLine();
count += line.length();
}
System.<span class="ST3">out</span>.println(<span class="string">&quot;</span><span class="string">The file size is </span><span class="string">&quot;</span> + count + <span class="string">&quot;</span><span class="string"> characters</span><span class="string">&quot;</span>);
exceptionThrown = <span class="literal">false</span>;
} <span class="literal">catch</span> (java.net.MalformedURLException ex) {
System.<span class="ST3">out</span>.println(<span class="string">&quot;</span><span class="string">Invalid URL</span><span class="string">&quot;</span>);
exceptionThrown = <span class="literal">true</span>;
} <span class="literal">catch</span> (java.io.IOException ex) {
System.<span class="ST3">out</span>.println(<span class="string">&quot;</span><span class="string">IO Errors</span><span class="string">&quot;</span>);
}
<span class="literal">if</span> (exceptionThrown) {
continueLoop = <span class="literal">true</span>;
} <span class="literal">else</span> {
continueLoop = <span class="literal">false</span>;
}
} <span class="literal">while</span> (continueLoop);
}
}
</pre></body>
</html>

61
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/Printed HTMLs/ReadFileFromWeb.html Normal file
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>ReadFileFromWeb.java</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<style type="text/css">
<!--
body {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
pre {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
table {color: #888888; background-color: #313335; font-family: monospace}
.string {color: #6a8759}
.number {color: #6897bb}
.comment {color: #808080}
.whitespace {color: #505050}
.ST0 {color: #808080; font-family: monospace; font-weight: bold}
.literal {color: #cc7832}
-->
</style>
</head>
<body>
<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 2/Assignments/lab6-Exceptions_CalebFontenot/src/main/java/com/mycompany/lab6/exceptions_calebfontenot/ReadFileFromWeb.java</td></tr></table>
<pre>
<span class="comment">/*</span>
<span class="comment"> * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license</span>
<span class="comment"> * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template</span>
<span class="comment"> */</span>
<span class="literal">package</span> com.mycompany.lab6.exceptions_calebfontenot;
<span class="literal">import</span> java.util.Scanner;
<span class="comment">/**</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST0">@author</span> <span class="comment">caleb</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">class</span> ReadFileFromWeb {
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> main(String[] args) {
System.out.print(<span class="string">&quot;</span><span class="string">Enter a URL: </span><span class="string">&quot;</span>);
String URLString = <span class="literal">new</span> Scanner(System.in).next();
<span class="literal">try</span> {
java.net.URL url = <span class="literal">new</span> java.net.URL(URLString);
<span class="literal">int</span> count = <span class="number">0</span>;
String text =<span class="string">&quot;&quot;</span>;
Scanner input = <span class="literal">new</span> Scanner(url.openStream());
<span class="literal">while</span> (input.hasNext()) {
String line = input.nextLine();
count += line.length();
text += line;
}
System.out.println(<span class="string">&quot;</span><span class="string">The file size is </span><span class="string">&quot;</span> + count + <span class="string">&quot;</span><span class="string"> characters.</span><span class="string">&quot;</span>);
System.out.println(text);
} <span class="literal">catch</span> (java.net.MalformedURLException ex) {
System.out.println(<span class="string">&quot;</span><span class="string">Invalid URL</span><span class="string">&quot;</span>);
}
<span class="literal">catch</span> (java.io.IOException ex) {
System.out.println(<span class="string">&quot;</span><span class="string">IO Errors!</span><span class="string">&quot;</span>);
}
}
}
</pre></body>
</html>

80
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/Printed HTMLs/ReadFileFromWeb1.html Normal file
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>ReadFileFromWeb1.java</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<style type="text/css">
<!--
body {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
pre {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
table {color: #888888; background-color: #313335; font-family: monospace}
.string {color: #6a8759}
.number {color: #6897bb}
.comment {color: #808080}
.whitespace {color: #505050}
.ST2 {color: #ffc66d; font-family: monospace; font-style: italic}
.ST3 {color: #9876aa; font-family: monospace; font-style: italic}
.ST1 {color: #808080; font-family: monospace; font-weight: bold}
.ST0 {color: #287bde}
.literal {color: #cc7832}
-->
</style>
</head>
<body>
<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 2/Assignments/lab6-Exceptions_CalebFontenot/src/main/java/com/mycompany/lab6/exceptions_calebfontenot/ReadFileFromWeb1.java</td></tr></table>
<pre>
<span class="comment">/*</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt</span><span class="comment"> to change this license</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java</span><span class="comment"> to edit this template</span>
<span class="comment"> */</span>
<span class="literal">package</span> com.mycompany.lab6.exceptions_calebfontenot;
<span class="literal">import</span> java.util.Scanner;
<span class="comment">/**</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@author</span> <span class="comment">caleb</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">class</span> ReadFileFromWeb1 {
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST2">main</span>(String[] args) {
System.<span class="ST3">out</span>.print(<span class="string">&quot;</span><span class="string">Enter a URL (defaults to </span><span class="literal">\&quot;</span><span class="ST0">https://calebfontenot.com</span><span class="ST0">\</span><span class="literal">&quot;</span><span class="string">): </span><span class="string">&quot;</span>);
String URLinput = <span class="literal">new</span> Scanner(System.<span class="ST3">in</span>).nextLine();
String URLString;
<span class="literal">if</span> (URLinput.isEmpty()) {
URLString = <span class="string">&quot;</span><span class="ST0">https://calebfontenot.com</span><span class="string">&quot;</span>;
}
<span class="literal">else</span> {
URLString = URLinput;
}
<span class="literal">try</span> {
java.net.URL url = <span class="literal">new</span> java.net.URL(URLString);
<span class="literal">int</span> count = <span class="number">0</span>, divCount = <span class="number">0</span>, pCount = <span class="number">0</span>;
String text =<span class="string">&quot;&quot;</span>;
Scanner input = <span class="literal">new</span> Scanner(url.openStream());
<span class="literal">while</span> (input.hasNext()) {
String line = input.nextLine();
count += line.length();
text += line;
<span class="literal">if</span> (line.contains(<span class="string">&quot;</span><span class="string">&lt;div</span><span class="string">&quot;</span>)) {
divCount++;
}
<span class="literal">if</span> (line.contains(<span class="string">&quot;</span><span class="string">&lt;p</span><span class="string">&quot;</span>)) {
pCount++;
}
}
System.<span class="ST3">out</span>.println(<span class="string">&quot;</span><span class="string">The file size is </span><span class="string">&quot;</span> + count + <span class="string">&quot;</span><span class="string"> characters.</span><span class="string">&quot;</span>);
System.<span class="ST3">out</span>.println(<span class="string">&quot;</span><span class="string">There are </span><span class="string">&quot;</span> + divCount + <span class="string">&quot;</span><span class="string"> &lt;div&gt; tags on this site.</span><span class="string">&quot;</span>);
System.<span class="ST3">out</span>.println(<span class="string">&quot;</span><span class="string">There are </span><span class="string">&quot;</span> + pCount + <span class="string">&quot;</span><span class="string"> &lt;p&gt; tags on this site.</span><span class="string">&quot;</span>);
System.<span class="ST3">out</span>.println(text);
} <span class="literal">catch</span> (java.net.MalformedURLException ex) {
System.<span class="ST3">out</span>.println(<span class="string">&quot;</span><span class="string">Invalid URL</span><span class="string">&quot;</span>);
}
<span class="literal">catch</span> (java.io.IOException ex) {
System.<span class="ST3">out</span>.println(<span class="string">&quot;</span><span class="string">IO Errors!</span><span class="string">&quot;</span>);
}
}
}
</pre></body>
</html>

57
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/Printed HTMLs/TestFileClass.html Normal file
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>TestFileClass.java</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<style type="text/css">
<!--
body {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
pre {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
table {color: #888888; background-color: #313335; font-family: monospace}
.string {color: #6a8759}
.comment {color: #808080}
.whitespace {color: #505050}
.ST0 {color: #808080; font-family: monospace; font-weight: bold}
.literal {color: #cc7832}
-->
</style>
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<body>
<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 2/Assignments/lab6-Exceptions_CalebFontenot/src/main/java/com/mycompany/lab6/exceptions_calebfontenot/TestFileClass.java</td></tr></table>
<pre>
<span class="comment">/*</span>
<span class="comment"> * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license</span>
<span class="comment"> * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template</span>
<span class="comment"> */</span>
<span class="literal">package</span> com.mycompany.lab6.exceptions_calebfontenot;
<span class="literal">import</span> java.util.Scanner;
<span class="comment">/**</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST0">@author</span> <span class="comment">caleb</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">class</span> TestFileClass {
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> main(String[] args) {
Scanner input = <span class="literal">new</span> Scanner(System.in);
System.out.print(<span class="string">&quot;</span><span class="string">Enter a file path or directory: </span><span class="string">&quot;</span>);
String filePath = input.nextLine();
testFile(filePath);
}
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> testFile(String filePath) {
java.io.File file = <span class="literal">new</span> java.io.File(filePath);
System.out.println(<span class="string">&quot;</span><span class="string">Does it exist? </span><span class="string">&quot;</span> + file.exists());
System.out.println(<span class="string">&quot;</span><span class="string">The file has </span><span class="string">&quot;</span> + file.length() + <span class="string">&quot;</span><span class="string"> bytes.</span><span class="string">&quot;</span>);
System.out.println(<span class="string">&quot;</span><span class="string">Can it be read? </span><span class="string">&quot;</span> + file.canRead());
System.out.println(<span class="string">&quot;</span><span class="string">Can it be written? </span><span class="string">&quot;</span> + file.canWrite());
System.out.println(<span class="string">&quot;</span><span class="string">Is it a directory? </span><span class="string">&quot;</span> + file.isDirectory());
System.out.println(<span class="string">&quot;</span><span class="string">Is it a file? </span><span class="string">&quot;</span> + file.isFile());
System.out.println(<span class="string">&quot;</span><span class="string">Is it absolute? </span><span class="string">&quot;</span> + file.isAbsolute());
System.out.println(<span class="string">&quot;</span><span class="string">Is it hidden? </span><span class="string">&quot;</span> + file.isHidden());
System.out.println(<span class="string">&quot;</span><span class="string">The absolute path to this file is </span><span class="string">&quot;</span> + file.getAbsolutePath());
System.out.println(<span class="string">&quot;</span><span class="string">Last modified on </span><span class="string">&quot;</span> + <span class="literal">new</span> java.util.Date(file.lastModified()));
}
}
</pre></body>
</html>

68
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/Printed HTMLs/ToDecimal.html Normal file
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>ToDecimal.java</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<style type="text/css">
<!--
body {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
pre {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
table {color: #888888; background-color: #313335; font-family: monospace}
.number {color: #6897bb}
.string {color: #6a8759}
.comment {color: #808080}
.whitespace {color: #505050}
.ST0 {color: #808080; font-family: monospace; font-weight: bold}
.literal {color: #cc7832}
-->
</style>
</head>
<body>
<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 2/Assignments/lab6-Exceptions_CalebFontenot/src/main/java/com/mycompany/lab6/exceptions_calebfontenot/ToDecimal.java</td></tr></table>
<pre>
<span class="comment">/*</span>
<span class="comment"> * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license</span>
<span class="comment"> * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template</span>
<span class="comment"> */</span>
<span class="literal">package</span> com.mycompany.lab6.exceptions_calebfontenot;
<span class="literal">import</span> java.util.Scanner;
<span class="comment">/**</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST0">@author</span> <span class="comment">caleb</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">class</span> ToDecimal {
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">int</span> hexToDecimal(String hex) {
<span class="literal">int</span> decimalValue =<span class="number">0</span>;
<span class="literal">for</span> (<span class="literal">int</span> i = <span class="number">0</span>; i &lt; hex.length(); ++i) {
<span class="literal">char</span> hexChar = hex.charAt(i);
decimalValue = decimalValue * <span class="number">16</span> + hexCharToDecimal(hexChar);
}
<span class="literal">return</span> decimalValue;
}
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">int</span> hexCharToDecimal(<span class="literal">char</span> ch) {
ch = Character.toUpperCase(ch);
<span class="literal">if</span> (ch &gt;= <span class="string">&#39;</span><span class="string">A</span><span class="string">&#39;</span> &amp;&amp; ch &lt;= <span class="string">&#39;</span><span class="string">F</span><span class="string">&#39;</span>) {
<span class="literal">return</span> <span class="number">10</span> + ch - <span class="string">&#39;</span><span class="string">A</span><span class="string">&#39;</span>;
} <span class="literal">else</span> <span class="literal">if</span> (ch &gt;= <span class="string">&#39;</span><span class="string">0</span><span class="string">&#39;</span> &amp;&amp; ch &lt;= <span class="string">&#39;</span><span class="string">9</span><span class="string">&#39;</span>){ <span class="comment">// ch is &#39;0&#39;, &#39;1&#39;, or &#39;9&#39;</span>
<span class="literal">return</span> ch - <span class="string">&#39;</span><span class="string">0</span><span class="string">&#39;</span>;
} <span class="literal">else</span> {
<span class="literal">throw</span> <span class="literal">new</span> NumberFormatException(<span class="string">&quot;</span><span class="string">Invalid hex character</span><span class="string">&quot;</span>);
}
}
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> main(String[] args) {
Scanner input = <span class="literal">new</span> Scanner(System.in);
System.out.print(<span class="string">&quot;</span><span class="string">Enter a hex number or q/Q to quit: </span><span class="string">&quot;</span>);
String hex = input.nextLine();
<span class="literal">while</span> (<span class="string">&quot;</span><span class="string">q</span><span class="string">&quot;</span>.equals(hex.toLowerCase()) == <span class="literal">false</span>) {
System.out.println(<span class="string">&quot;</span><span class="string">The decimal value for hex number </span><span class="string">&quot;</span> + hex + <span class="string">&quot;</span><span class="string"> is </span><span class="string">&quot;</span> + hexToDecimal(hex.toUpperCase()));
System.out.print(<span class="string">&quot;</span><span class="string">Emter a hex number: </span><span class="string">&quot;</span>);
hex = input.nextLine();
}
}
}
</pre></body>
</html>

75
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/Printed HTMLs/Triangle.html Normal file
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>Triangle.java</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<style type="text/css">
<!--
body {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
pre {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
table {color: #888888; background-color: #313335; font-family: monospace}
.number {color: #6897bb}
.string {color: #6a8759}
.comment {color: #808080}
.whitespace {color: #505050}
.ST0 {color: #808080; font-family: monospace; font-weight: bold}
.literal {color: #cc7832}
-->
</style>
</head>
<body>
<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 2/Assignments/lab6-Exceptions_CalebFontenot/src/main/java/com/mycompany/lab6/exceptions_calebfontenot/Triangle.java</td></tr></table>
<pre>
<span class="comment">/*</span>
<span class="comment"> * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license</span>
<span class="comment"> * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template</span>
<span class="comment"> */</span>
<span class="literal">package</span> com.mycompany.lab6.exceptions_calebfontenot;
<span class="literal">import</span> java.util.Scanner;
<span class="comment">/**</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST0">@author</span> <span class="comment">caleb</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">class</span> Triangle <span class="literal">implements</span> Geo{
<span class="literal">private</span> <span class="literal">double</span> side1 = <span class="number">1.0</span>, side2 = <span class="number">1.0</span>, side3 = <span class="number">1.0</span>;
<span class="literal">public</span> Triangle(<span class="literal">double</span> side1, <span class="literal">double</span> side2, <span class="literal">double</span> side3) {
<span class="literal">this</span>.side1 = side1;
<span class="literal">this</span>.side2 = side2;
<span class="literal">this</span>.side3 = side3;
}
@Override
<span class="literal">public</span> <span class="literal">double</span> getArea() {
<span class="literal">double</span> s = (side1 + side2 + side3) / <span class="number">2</span>;
<span class="literal">return</span> Math.sqrt(s * (s - side1) * (s - side2) * (s - side3));
}
@Override
<span class="literal">public</span> <span class="literal">double</span> getPerimeter() {
<span class="literal">return</span> side1 + side2 + side3;
}
@Override
<span class="literal">public</span> String toString() {
<span class="literal">return</span> <span class="string">&quot;</span><span class="string">Triangle: side1 = </span><span class="string">&quot;</span> + side1 + <span class="string">&quot;</span><span class="string"> side2 = </span><span class="string">&quot;</span> + side2 + <span class="string">&quot;</span><span class="string"> side3 = </span><span class="string">&quot;</span> + side3;
}
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> main(String[] args) {
Scanner input = <span class="literal">new</span> Scanner(System.in);
System.out.println(<span class="string">&quot;</span><span class="string">Enter the three sides: </span><span class="string">&quot;</span>);
<span class="literal">double</span> side1 = input.nextDouble();
<span class="literal">double</span> side2 = input.nextDouble();
<span class="literal">double</span> side3 = input.nextDouble();
Triangle triangle = <span class="literal">new</span> Triangle(side1, side2, side3);
System.out.println(<span class="string">&quot;</span><span class="string">The area is </span><span class="string">&quot;</span> + triangle.getArea());
System.out.println(<span class="string">&quot;</span><span class="string">The perimeter is </span><span class="string">&quot;</span> + triangle.getPerimeter());
System.out.println(triangle);
}
}
<span class="literal">interface</span> Geo {
<span class="literal">double</span> getArea();
<span class="literal">public</span> <span class="literal">double</span> getPerimeter();
}
</pre></body>
</html>

66
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/Printed HTMLs/WriteReadData.html Normal file
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>WriteReadData.java</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<style type="text/css">
<!--
body {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
pre {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
table {color: #888888; background-color: #313335; font-family: monospace}
.string {color: #6a8759}
.number {color: #6897bb}
.comment {color: #808080}
.whitespace {color: #505050}
.ST2 {color: #ffc66d; font-family: monospace; font-style: italic}
.ST3 {color: #9876aa; font-family: monospace; font-style: italic}
.ST1 {color: #808080; font-family: monospace; font-weight: bold}
.ST0 {color: #287bde}
.literal {color: #cc7832}
.ST4 {font-family: monospace; font-style: italic}
-->
</style>
</head>
<body>
<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 2/Assignments/lab6-Exceptions_CalebFontenot/src/main/java/com/mycompany/lab6/exceptions_calebfontenot/WriteReadData.java</td></tr></table>
<pre>
<span class="comment">/*</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt</span><span class="comment"> to change this license</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java</span><span class="comment"> to edit this template</span>
<span class="comment"> */</span>
<span class="literal">package</span> com.mycompany.lab6.exceptions_calebfontenot;
<span class="literal">import</span> java.io.File;
<span class="literal">import</span> java.io.PrintWriter;
<span class="literal">import</span> java.util.Scanner;
<span class="comment">/**</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@author</span> <span class="comment">caleb</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">class</span> WriteReadData {
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST2">main</span>(String[] args) <span class="literal">throws</span> Exception
{
File file = <span class="literal">new</span> File(<span class="string">&quot;</span><span class="string">rw.txt</span><span class="string">&quot;</span>);
<span class="literal">int</span> randInt;
<span class="literal">if</span> (!file.exists()) {
System.<span class="ST3">out</span>.println(<span class="string">&quot;</span><span class="string">File does not exist! Creating it...</span><span class="string">&quot;</span>);
<span class="literal">try</span> (PrintWriter output = <span class="literal">new</span> PrintWriter(file);) {
<span class="literal">for</span> (<span class="literal">int</span> i = <span class="number">0</span>; i &lt; <span class="number">100</span>; ++i) {
randInt = (<span class="literal">int</span>) (Math.<span class="ST4">random</span>() * <span class="number">100</span>);
System.<span class="ST3">out</span>.println(<span class="string">&quot;</span><span class="string">Writing </span><span class="string">&quot;</span> + randInt + <span class="string">&quot;</span><span class="string"> to file...</span><span class="string">&quot;</span>);
output.write(Integer.<span class="ST4">toString</span>(randInt) + <span class="string">&quot;</span><span class="literal">\n</span><span class="string">&quot;</span>);
}
} <span class="literal">catch</span> (Exception ex) {
System.<span class="ST3">out</span>.println(ex);
}
}
Scanner input = <span class="literal">new</span> Scanner(file);
System.<span class="ST3">out</span>.println(<span class="string">&quot;</span><span class="string">Reading file contents:</span><span class="string">&quot;</span>);
<span class="literal">while</span> (input.hasNext()) {
System.<span class="ST3">out</span>.println(input.next());
}
}
}
</pre></body>
</html>

61
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/Printed HTMLs/WriteWithAutoClose.html Normal file
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>WriteWithAutoClose.java</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<style type="text/css">
<!--
body {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
pre {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
table {color: #888888; background-color: #313335; font-family: monospace}
.string {color: #6a8759}
.number {color: #6897bb}
.comment {color: #808080}
.whitespace {color: #505050}
.ST2 {color: #ffc66d; font-family: monospace; font-style: italic}
.ST3 {color: #9876aa; font-family: monospace; font-style: italic}
.ST1 {color: #808080; font-family: monospace; font-weight: bold}
.ST0 {color: #287bde}
.literal {color: #cc7832}
.ST4 {font-family: monospace; font-style: italic}
-->
</style>
</head>
<body>
<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 2/Assignments/lab6-Exceptions_CalebFontenot/src/main/java/com/mycompany/lab6/exceptions_calebfontenot/WriteWithAutoClose.java</td></tr></table>
<pre>
<span class="comment">/*</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt</span><span class="comment"> to change this license</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java</span><span class="comment"> to edit this template</span>
<span class="comment"> */</span>
<span class="literal">package</span> com.mycompany.lab6.exceptions_calebfontenot;
<span class="literal">import</span> java.io.IOException;
<span class="comment">/**</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@author</span> <span class="comment">caleb</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">class</span> WriteWithAutoClose {
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST2">main</span>(String[] args) <span class="literal">throws</span> IOException
{
java.io.File file = <span class="literal">new</span> java.io.File(<span class="string">&quot;</span><span class="string">scores.txt</span><span class="string">&quot;</span>);
<span class="literal">if</span> (file.exists()) {
System.<span class="ST3">out</span>.println(<span class="string">&quot;</span><span class="string">File already exists!</span><span class="string">&quot;</span>);
System.<span class="ST4">exit</span>(<span class="number">0</span>);
}
<span class="comment">//throw new IOException(); //Just for testing :)</span>
<span class="literal">try</span> (java.io.PrintWriter output = <span class="literal">new</span> java.io.PrintWriter(file);) {
<span class="comment">// Write formatted output to the file</span>
output.print(<span class="string">&quot;</span><span class="string">John T Smith </span><span class="string">&quot;</span>);
output.println(<span class="number">9</span><span class="number">0</span>);
output.print(<span class="string">&quot;</span><span class="string">Eric K Jones </span><span class="string">&quot;</span>);
output.println(<span class="number">8</span><span class="number">5</span>);
}
}
}
</pre></body>
</html>

63
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/Printed HTMLs/WriteWithAutoClose2.html Normal file
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>WriteWithAutoClose2.java</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<style type="text/css">
<!--
body {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
pre {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
table {color: #888888; background-color: #313335; font-family: monospace}
.string {color: #6a8759}
.number {color: #6897bb}
.comment {color: #808080}
.whitespace {color: #505050}
.ST2 {color: #ffc66d; font-family: monospace; font-style: italic}
.ST3 {color: #9876aa; font-family: monospace; font-style: italic}
.ST1 {color: #808080; font-family: monospace; font-weight: bold}
.ST0 {color: #287bde}
.literal {color: #cc7832}
.ST4 {font-family: monospace; font-style: italic}
-->
</style>
</head>
<body>
<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 2/Assignments/lab6-Exceptions_CalebFontenot/src/main/java/com/mycompany/lab6/exceptions_calebfontenot/WriteWithAutoClose2.java</td></tr></table>
<pre>
<span class="comment">/*</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt</span><span class="comment"> to change this license</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java</span><span class="comment"> to edit this template</span>
<span class="comment"> */</span>
<span class="literal">package</span> com.mycompany.lab6.exceptions_calebfontenot;
<span class="comment">import</span> <span class="comment">java</span><span class="comment">.</span><span class="comment">io</span><span class="comment">.</span><span class="comment">IOException</span><span class="comment">;</span>
<span class="comment">/**</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@author</span> <span class="comment">caleb</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">class</span> WriteWithAutoClose2 {
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST2">main</span>(String[] args) {
<span class="literal">try</span> {
java.io.File file = <span class="literal">new</span> java.io.File(<span class="string">&quot;</span><span class="string">scores.txt</span><span class="string">&quot;</span>);
<span class="literal">if</span> (file.exists()) {
System.<span class="ST3">out</span>.println(<span class="string">&quot;</span><span class="string">File already exists!</span><span class="string">&quot;</span>);
System.<span class="ST4">exit</span>(<span class="number">0</span>);
}
<span class="comment">//throw new IOException(); //Just for testing :)</span>
<span class="literal">try</span> (java.io.PrintWriter output = <span class="literal">new</span> java.io.PrintWriter(file);) {
<span class="comment">// Write formatted output to the file</span>
output.print(<span class="string">&quot;</span><span class="string">John T Smith </span><span class="string">&quot;</span>);
output.println(<span class="number">9</span><span class="number">0</span>);
output.print(<span class="string">&quot;</span><span class="string">Eric K Jones </span><span class="string">&quot;</span>);
output.println(<span class="number">8</span><span class="number">5</span>);
}
} <span class="literal">catch</span> (Exception ex) {
System.<span class="ST3">err</span>.println(<span class="string">&quot;</span><span class="string">Cought exception: </span><span class="string">&quot;</span> + ex);
}
}
}
</pre></body>
</html>

100
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/rw.txt Normal file
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@ -0,0 +1,100 @@
66
31
93
98
45
64
73
43
97
21
98
20
18
87
91
43
30
71
15
14
53
4
81
18
76
22
88
89
76
51
94
56
64
72
96
87
43
66
61
46
46
44
32
26
90
97
97
75
97
11
95
55
9
95
17
52
19
64
31
66
62
15
77
28
73
55
34
51
72
51
88
14
98
45
0
97
66
78
94
95
5
54
92
63
69
72
91
94
43
79
56
75
54
26
37
49
77
40
6
28

6
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/scores.txt
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@ -1,2 +1,4 @@
John T Smith 90
Eric K Jones 85
Caleb 90
Hailey 85
Davin 100
Tyler 95

45
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/src/main/java/com/mycompany/lab6/exceptions_calebfontenot/ProcessScoresInTextFile.java Normal file
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/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.mycompany.lab6.exceptions_calebfontenot;
import java.io.File;
import java.util.ArrayList;
import java.util.Scanner;
/**
*
* @author caleb
*/
public class ProcessScoresInTextFile {
public static void main(String[] args) throws Exception
{
File file = new File("scores.txt");
// Create a scanner for the file
Scanner input = new Scanner(file);
ArrayList<String> nameAR = new ArrayList<>();
ArrayList<Integer> intAR = new ArrayList<>();
// Read data from file
int iterate = 0;
int score;
while (input.hasNext()) {
iterate++;
String name = input.next();
score = input.nextInt();
nameAR.add(name);
intAR.add((Integer) score);
}
double average = 0;
for (int i = 0; i < intAR.size(); ++i) {
System.out.print(nameAR.get(i) + " ");
System.out.println(intAR.get(i));
average += intAR.get(i);
}
average = (average / intAR.size());
System.out.println("Average: " + average);
}
}

45
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/src/main/java/com/mycompany/lab6/exceptions_calebfontenot/ReadFileFromURL.java Normal file
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/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.mycompany.lab6.exceptions_calebfontenot;
import java.util.Scanner;
/**
*
* @author caleb
*/
public class ReadFileFromURL {
public static void main(String[] args)
{
boolean continueLoop = false;
boolean exceptionThrown = false;
do {
System.out.print("Enter a URL: ");
String URLString = new Scanner(System.in).next();
try {
java.net.URL url = new java.net.URL(URLString);
int count = 0;
Scanner input = new Scanner(url.openStream());
while (input.hasNext()) {
String line = input.nextLine();
count += line.length();
}
System.out.println("The file size is " + count + " characters");
exceptionThrown = false;
} catch (java.net.MalformedURLException ex) {
System.out.println("Invalid URL");
exceptionThrown = true;
} catch (java.io.IOException ex) {
System.out.println("IO Errors");
}
if (exceptionThrown) {
continueLoop = true;
} else {
continueLoop = false;
}
} while (continueLoop);
}
}

52
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/src/main/java/com/mycompany/lab6/exceptions_calebfontenot/ReadFileFromWeb1.java Normal file
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/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.mycompany.lab6.exceptions_calebfontenot;
import java.util.Scanner;
/**
*
* @author caleb
*/
public class ReadFileFromWeb1 {
public static void main(String[] args) {
System.out.print("Enter a URL (defaults to \"https://calebfontenot.com\"): ");
String URLinput = new Scanner(System.in).nextLine();
String URLString;
if (URLinput.isEmpty()) {
URLString = "https://calebfontenot.com";
}
else {
URLString = URLinput;
}
try {
java.net.URL url = new java.net.URL(URLString);
int count = 0, divCount = 0, pCount = 0;
String text ="";
Scanner input = new Scanner(url.openStream());
while (input.hasNext()) {
String line = input.nextLine();
count += line.length();
text += line;
if (line.contains("<div")) {
divCount++;
}
if (line.contains("<p")) {
pCount++;
}
}
System.out.println("The file size is " + count + " characters.");
System.out.println("There are " + divCount + " <div> tags on this site.");
System.out.println("There are " + pCount + " <p> tags on this site.");
System.out.println(text);
} catch (java.net.MalformedURLException ex) {
System.out.println("Invalid URL");
}
catch (java.io.IOException ex) {
System.out.println("IO Errors!");
}
}
}

38
Semester 2/Assignments/lab6-Exceptions_CalebFontenot/src/main/java/com/mycompany/lab6/exceptions_calebfontenot/WriteReadData.java Normal file
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/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.mycompany.lab6.exceptions_calebfontenot;
import java.io.File;
import java.io.PrintWriter;
import java.util.Scanner;
/**
*
* @author caleb
*/
public class WriteReadData {
public static void main(String[] args) throws Exception
{
File file = new File("rw.txt");
int randInt;
if (!file.exists()) {
System.out.println("File does not exist! Creating it...");
try (PrintWriter output = new PrintWriter(file);) {
for (int i = 0; i < 100; ++i) {
randInt = (int) (Math.random() * 100);
System.out.println("Writing " + randInt + " to file...");
output.write(Integer.toString(randInt) + "\n");
}
} catch (Exception ex) {
System.out.println(ex);
}
}
Scanner input = new Scanner(file);
System.out.println("Reading file contents:");
while (input.hasNext()) {
System.out.println(input.next());
}
}
}

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Semester 2/ZIPs/lab6-Exceptions_CalebFontenot.zip Normal file
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