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Semester 2/Exams/PracticeExam1/Person.html
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Semester 2/Exams/PracticeExam1/Person.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
|
||||
<head>
|
||||
<title>Person.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}
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||||
.ST2 {color: #9876aa}
|
||||
.ST3 {color: #ffc66d}
|
||||
.string {color: #6a8759}
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||||
.number {color: #6897bb}
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||||
.comment {color: #808080}
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||||
.whitespace {color: #505050}
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||||
.ST5 {color: #ffc66d; font-family: monospace; font-style: italic}
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||||
.ST6 {color: #9876aa; font-family: monospace; font-style: italic}
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||||
.ST1 {color: #808080; font-family: monospace; font-weight: bold}
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||||
.ST0 {color: #287bde}
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.literal {color: #cc7832}
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||||
.ST4 {font-family: monospace; font-style: italic}
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-->
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</style>
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</head>
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<body>
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<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 2/Exams/PracticeExam1/src/main/java/com/calebfontenot/practiceexam1/Person.java</td></tr></table>
|
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<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>
|
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<span class="literal">package</span> com.calebfontenot.practiceexam1;
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<span class="literal">import</span> java.util.GregorianCalendar;
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<span class="literal">import</span> java.util.Objects;
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<span class="comment">/**</span>
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||||
<span class="comment"> *</span>
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<span class="comment"> * </span><span class="ST1">@author</span> <span class="comment">caleb</span>
|
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<span class="comment">*/</span>
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<span class="literal">public</span> <span class="literal">class</span> Person {
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<span class="literal">private</span> String <span class="ST2">name</span>;
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<span class="literal">private</span> <span class="literal">final</span> GregorianCalendar <span class="ST2">birthDate</span>;
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<span class="literal">public</span> Person(String name, GregorianCalendar brithDate)
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{
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<span class="literal">this</span>.<span class="ST2">name</span> = name;
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<span class="literal">this</span>.<span class="ST2">birthDate</span> = brithDate;
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}
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<span class="literal">public</span> String <span class="ST3">getName</span>()
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{
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<span class="literal">return</span> <span class="ST2">name</span>;
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}
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||||
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<span class="literal">public</span> <span class="literal">void</span> <span class="ST3">setName</span>(String name)
|
||||
{
|
||||
<span class="literal">this</span>.<span class="ST2">name</span> = name;
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}
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||||
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<span class="literal">public</span> GregorianCalendar <span class="ST3">getBirthdate</span>() {
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<span class="literal">return</span> <span class="literal">this</span>.<span class="ST2">birthDate</span>;
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||||
}
|
||||
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||||
@Override
|
||||
<span class="literal">public</span> <span class="literal">boolean</span> <span class="ST3">equals</span>(Object obj)
|
||||
{
|
||||
<span class="literal">if</span> (<span class="literal">this</span> == obj) {
|
||||
<span class="literal">return</span> <span class="literal">true</span>;
|
||||
}
|
||||
<span class="literal">if</span> (obj == <span class="literal">null</span>) {
|
||||
<span class="literal">return</span> <span class="literal">false</span>;
|
||||
}
|
||||
<span class="literal">if</span> (getClass() != obj.getClass()) {
|
||||
<span class="literal">return</span> <span class="literal">false</span>;
|
||||
}
|
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<span class="literal">final</span> Person other = (Person) obj;
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<span class="literal">if</span> (!Objects.<span class="ST4">equals</span>(<span class="literal">t</span><span class="literal">his</span>.<span class="ST2">name</span>, other.<span class="ST2">name</span>)) {
|
||||
<span class="literal">return</span> <span class="literal">false</span>;
|
||||
}
|
||||
<span class="literal">return</span> Objects.<span class="ST4">equals</span>(<span class="literal">t</span><span class="literal">his</span>.<span class="ST2">birthDate</span>, other.<span class="ST2">birthDate</span>);
|
||||
}
|
||||
|
||||
@Override
|
||||
<span class="literal">public</span> String <span class="ST3">toString</span>()
|
||||
{
|
||||
<span class="literal">return</span> <span class="string">"</span><span class="string">Person{</span><span class="string">"</span> + <span class="string">"</span><span class="string">name=</span><span class="string">"</span> + <span class="ST2">name</span> + <span class="string">"</span><span class="string">, birthDate=</span><span class="string">"</span> + <span class="ST2">birthDate</span>.toInstant() + <span class="string">'</span><span class="string">}</span><span class="string">'</span>;
|
||||
}
|
||||
|
||||
|
||||
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST5">main</span>(String[] args)
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||||
{
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||||
Person john = <span class="literal">new</span> Person(<span class="string">"</span><span class="string">John</span><span class="string">"</span>, <span class="literal">new</span> GregorianCalendar(<span class="number">2</span><span class="number">003</span>, <span class="number">8</span>, <span class="number">2</span><span class="number">8</span>));
|
||||
Person mary = <span class="literal">new</span> Person(<span class="string">"</span><span class="string">Mary</span><span class="string">"</span>, <span class="literal">new</span> GregorianCalendar(<span class="number">2</span><span class="number">004</span>, <span class="number">3</span>, <span class="number">2</span><span class="number">3</span>));
|
||||
System.<span class="ST6">out</span>.println(john);
|
||||
System.<span class="ST6">out</span>.println(mary);
|
||||
Person john1 = <span class="literal">new</span> Person(<span class="string">"</span><span class="string">John</span><span class="string">"</span>, <span class="literal">new</span> GregorianCalendar(<span class="number">2</span><span class="number">003</span>, <span class="number">8</span>, <span class="number">2</span><span class="number">8</span>));
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||||
Person john2 = <span class="literal">new</span> Person(<span class="string">"</span><span class="string">John</span><span class="string">"</span>, <span class="literal">new</span> GregorianCalendar(<span class="number">2</span><span class="number">003</span>, <span class="number">1</span><span class="number">0</span>, <span class="number">1</span><span class="number">0</span>));
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||||
Person john3 = <span class="literal">new</span> Person(<span class="string">"</span><span class="string">John</span><span class="string">"</span>, <span class="literal">new</span> GregorianCalendar(<span class="number">2</span><span class="number">003</span>, <span class="number">8</span>, <span class="number">2</span><span class="number">8</span>));
|
||||
|
||||
System.<span class="ST6">out</span>.println(john1.equals(john));
|
||||
System.<span class="ST6">out</span>.println(john2.equals(john));
|
||||
System.<span class="ST6">out</span>.println(john3.equals(john));
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
</pre></body>
|
||||
</html>
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174
Semester 2/Exams/PracticeExam1/Problem1.html
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174
Semester 2/Exams/PracticeExam1/Problem1.html
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@@ -0,0 +1,174 @@
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
|
||||
<html>
|
||||
<head>
|
||||
<title>Problem1ArrayNames.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}
|
||||
.ST3 {color: #9876aa}
|
||||
.number {color: #6897bb}
|
||||
.string {color: #6a8759}
|
||||
.comment {color: #808080}
|
||||
.whitespace {color: #505050}
|
||||
.ST2 {color: #ffc66d; font-family: monospace; font-style: italic}
|
||||
.ST4 {color: #9876aa; font-family: monospace; font-style: italic}
|
||||
.ST1 {color: #808080; font-family: monospace; font-weight: bold}
|
||||
.ST5 {color: #8a653b}
|
||||
.ST0 {color: #287bde}
|
||||
.literal {color: #cc7832}
|
||||
.ST6 {font-family: monospace; font-style: italic}
|
||||
-->
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 2/Exams/PracticeExam1/src/main/java/com/calebfontenot/practiceexam1/Problem1ArrayNames.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.calebfontenot.practiceexam1;
|
||||
|
||||
<span class="literal">import</span> java.util.Arrays;
|
||||
<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> Problem1ArrayNames {
|
||||
|
||||
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">int</span> <span class="ST2">maxNumberOfColumnsInJagged2dArray</span>(<span class="literal">char</span>[][] ar)
|
||||
{
|
||||
<span class="literal">int</span> maxNumberOfColumns = <span class="number">0</span>;
|
||||
<span class="literal">for</span> (<span class="literal">int</span> row = <span class="number">0</span>; row < ar.<span class="ST3">length</span>; ++row) {
|
||||
<span class="literal">if</span> (ar[row].<span class="ST3">length</span> > maxNumberOfColumns) {
|
||||
maxNumberOfColumns = ar[row].<span class="ST3">length</span>;
|
||||
}
|
||||
}
|
||||
<span class="literal">return</span> maxNumberOfColumns;
|
||||
}
|
||||
<span class="comment">/**</span>
|
||||
<span class="comment"> * </span><span class="comment">Displays</span> <span class="comment">Enter</span> <span class="comment">number</span> <span class="comment">of</span> <span class="comment">names</span> <span class="comment">or</span><span class="comment"> -1 </span><span class="comment">to</span> <span class="comment">quit</span>
|
||||
<span class="comment"> *</span>
|
||||
<span class="comment"> * </span><span class="ST1">@return</span> <span class="comment">number</span> <span class="comment">of</span> <span class="comment">students</span> <span class="comment">or</span><span class="comment"> -1;</span>
|
||||
<span class="comment">*/</span>
|
||||
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">int</span> <span class="ST2">menu</span>()
|
||||
{
|
||||
<span class="literal">int</span> userInt = -<span class="number">1</span>;
|
||||
<span class="literal">do</span> {
|
||||
System.<span class="ST4">out</span>.println(<span class="string">"</span><span class="string">Enter the numbrer of students or -1 to quit: </span><span class="string">"</span>);
|
||||
Scanner input = <span class="literal">new</span> Scanner(System.<span class="ST4">in</span>);
|
||||
userInt = input.nextInt();
|
||||
<span class="literal">if</span> (userInt == <span class="number">0</span>) {
|
||||
System.<span class="ST4">out</span>.println(<span class="string">"</span><span class="string">Input cannot be 0!</span><span class="string">"</span>);
|
||||
} <span class="literal">else</span> {
|
||||
<span class="literal">return</span> userInt;
|
||||
}
|
||||
} <span class="literal">while</span> (userInt != -<span class="number">1</span>);
|
||||
<span class="literal">return</span> -<span class="number">1</span>;
|
||||
}
|
||||
|
||||
<span class="comment">/**</span>
|
||||
<span class="comment"> * </span><span class="comment">Reads</span> <span class="comment">form</span> <span class="comment">user</span> <span class="comment">a</span> <span class="comment">number</span> <span class="comment">of</span> <span class="comment">names</span><span class="comment">, </span><span class="comment">creates</span> <span class="comment">the</span> <span class="comment">array</span> <span class="comment">of</span> <span class="comment">names</span> <span class="comment">and</span> <span class="comment">returns</span> <span class="comment">it</span><span class="comment">.</span>
|
||||
<span class="comment"> *</span>
|
||||
<span class="comment"> * </span><span class="ST1">@param</span> <span class="ST5">numberOfNames</span>
|
||||
<span class="comment"> * </span><span class="ST1">@return</span> <span class="comment">array</span> <span class="comment">of</span> <span class="comment">names</span><span class="comment">.</span>
|
||||
<span class="comment">*/</span>
|
||||
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">char</span>[][] <span class="ST2">readNames</span>(<span class="literal">int</span> numOfNames)
|
||||
{
|
||||
<span class="literal">char</span>[][] names = <span class="literal">new</span> <span class="literal">char</span>[numOfNames][];
|
||||
Scanner input = <span class="literal">new</span> Scanner(System.<span class="ST4">in</span>);
|
||||
<span class="literal">for</span> (<span class="literal">int</span> i = <span class="number">0</span>; i < numOfNames; i++) {
|
||||
System.<span class="ST4">out</span>.print(<span class="string">"</span><span class="string">Enter a name: </span><span class="string">"</span>);
|
||||
names[i] = input.next().toCharArray();
|
||||
}
|
||||
<span class="literal">return</span> names;
|
||||
}
|
||||
<span class="literal">public</span> <span class="literal">static</span> String <span class="ST2">returnRowMajorOrder</span>(<span class="literal">char</span>[] ar)<span class="comment">//normal</span>
|
||||
{
|
||||
String returnString = <span class="string">""</span>;
|
||||
<span class="literal">for</span> (<span class="literal">int</span> x = <span class="number">0</span>; x < ar.<span class="ST3">length</span>; ++x) {
|
||||
returnString += ar[x];
|
||||
}
|
||||
<span class="literal">return</span> returnString;
|
||||
}
|
||||
|
||||
<span class="comment">/**</span>
|
||||
<span class="comment"> * </span><span class="comment">Sorts</span> <span class="comment">the</span> <span class="comment">array</span> <span class="comment">in</span> <span class="comment">ascending</span> <span class="comment">order</span><span class="comment">.</span>
|
||||
<span class="comment"> *</span>
|
||||
<span class="comment"> * </span><span class="ST1">@param</span> <span class="ST5">ar</span>
|
||||
<span class="comment">*/</span>
|
||||
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST2">sortNames</span>(<span class="literal">char</span>[][] names)
|
||||
{
|
||||
<span class="literal">for</span> (<span class="literal">int</span> i = <span class="number">0</span>; i < names.<span class="ST3">length</span> - <span class="number">1</span>; ++i) {
|
||||
<span class="literal">for</span> (<span class="literal">int</span> j = i + <span class="number">1</span>; j < names.<span class="ST3">length</span>; ++j) {
|
||||
<span class="literal">char</span> compChar1 = names[i][<span class="number">0</span>], compChar2 = names[j][<span class="number">0</span>];
|
||||
<span class="comment">// Reoder entire row</span>
|
||||
<span class="literal">for</span> (<span class="literal">int</span> rowIterate = <span class="number">1</span>; rowIterate < <span class="ST6">maxNumberOfColumnsInJagged2dArray</span>(names); ++rowIterate) {
|
||||
<span class="literal">if</span> (Character.<span class="ST6">toLowerCase</span>(compChar1) == Character.<span class="ST6">toLowerCase</span>(compChar2)) {
|
||||
<span class="literal">try</span> {
|
||||
compChar1 = names[i][rowIterate];
|
||||
compChar2 = names[j][rowIterate];
|
||||
} <span class="literal">catch</span> (Exception ex) {
|
||||
<span class="comment">// If it's failed, the index has gone out of range.</span>
|
||||
<span class="comment">// Check the length of the arrays and swap the larger one with the smaller one.</span>
|
||||
<span class="literal">if</span> (names[i].<span class="ST3">length</span> > names[j].<span class="ST3">length</span>) {
|
||||
System.<span class="ST4">out</span>.println(names[i].<span class="ST3">length</span> + <span class="string">"</span> <span class="string">"</span> + names[j].<span class="ST3">length</span>);
|
||||
System.<span class="ST4">out</span>.println(<span class="string">"</span><span class="string">Swapping </span><span class="string">"</span> + <span class="ST6">returnRowMajorOrder</span>(names[i]) + <span class="string">"</span><span class="string"> with </span><span class="string">"</span> + <span class="ST6">returnRowMajorOrder</span>(names[j]));
|
||||
<span class="literal">char</span>[] temp = names[i];
|
||||
names[i] = names[j];
|
||||
names[j] = temp;
|
||||
}
|
||||
<span class="literal">break</span>;
|
||||
}
|
||||
|
||||
}
|
||||
<span class="literal">if</span> (Character.<span class="ST6">toLowerCase</span>(compChar1) > Character.<span class="ST6">toLowerCase</span>(compChar2)) {
|
||||
System.<span class="ST4">out</span>.println(<span class="string">"</span><span class="string">Swapping </span><span class="string">"</span> + <span class="ST6">returnRowMajorOrder</span>(names[i]) + <span class="string">"</span><span class="string"> with </span><span class="string">"</span> + <span class="ST6">returnRowMajorOrder</span>(names[j]));
|
||||
<span class="literal">char</span>[] temp = names[i];
|
||||
names[i] = names[j];
|
||||
names[j] = temp;
|
||||
<span class="literal">break</span>;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
<span class="comment">/**</span>
|
||||
<span class="comment"> * </span><span class="comment">Prints</span> <span class="comment">the</span> <span class="comment">array</span>
|
||||
<span class="comment"> *</span>
|
||||
<span class="comment"> * </span><span class="ST1">@param</span> <span class="ST5">ar</span> <span class="comment">is</span> <span class="comment">printed</span>
|
||||
<span class="comment">*/</span>
|
||||
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST2">print</span>(<span class="literal">char</span>[][] ar)
|
||||
{
|
||||
<span class="literal">for</span> (<span class="literal">char</span>[] nested : ar) {
|
||||
System.<span class="ST4">out</span>.println(Arrays.<span class="ST6">toString</span>(nested));
|
||||
}
|
||||
}
|
||||
|
||||
<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">int</span> numOfNames = <span class="ST6">menu</span>();
|
||||
<span class="literal">char</span>[][] names = <span class="literal">null</span>;
|
||||
<span class="literal">while</span> (numOfNames != -<span class="number">1</span>) {
|
||||
names = <span class="ST6">readNames</span>(numOfNames);
|
||||
System.<span class="ST4">out</span>.println(<span class="string">"</span><span class="string">Original Names:</span><span class="string">"</span>);
|
||||
<span class="ST6">print</span>(names);
|
||||
System.<span class="ST4">out</span>.println(<span class="string">"</span><span class="string">Sorted Names:</span><span class="string">"</span>);
|
||||
<span class="ST6">sortNames</span>(names);
|
||||
<span class="ST6">print</span>(names);
|
||||
numOfNames = <span class="ST6">menu</span>();
|
||||
}
|
||||
System.<span class="ST4">out</span>.println(<span class="string">"</span><span class="string">goodbye!</span><span class="string">"</span>);
|
||||
}
|
||||
}
|
||||
|
||||
</pre></body>
|
||||
</html>
|
||||
169
Semester 2/Exams/PracticeExam1/Problem2.html
Normal file
169
Semester 2/Exams/PracticeExam1/Problem2.html
Normal file
@@ -0,0 +1,169 @@
|
||||
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
|
||||
<html>
|
||||
<head>
|
||||
<title>Problem2ArrayObjects.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}
|
||||
.ST3 {color: #9876aa}
|
||||
.number {color: #6897bb}
|
||||
.string {color: #6a8759}
|
||||
.comment {color: #808080}
|
||||
.whitespace {color: #505050}
|
||||
.ST2 {color: #ffc66d; font-family: monospace; font-style: italic}
|
||||
.ST4 {color: #9876aa; font-family: monospace; font-style: italic}
|
||||
.ST1 {color: #808080; font-family: monospace; font-weight: bold}
|
||||
.ST5 {color: #8a653b}
|
||||
.ST0 {color: #287bde}
|
||||
.literal {color: #cc7832}
|
||||
.ST6 {font-family: monospace; font-style: italic}
|
||||
-->
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 2/Exams/PracticeExam1/src/main/java/com/calebfontenot/practiceexam1/Problem2ArrayObjects.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.calebfontenot.practiceexam1;
|
||||
|
||||
<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> Problem2ArrayObjects {
|
||||
|
||||
<span class="literal">private</span> String[] <span class="comment">names</span>;
|
||||
|
||||
<span class="comment">/**</span>
|
||||
<span class="comment"> * </span><span class="comment">Displays</span><span class="comment">: </span><span class="comment">Enter</span> <span class="comment">number</span> <span class="comment">of</span> <span class="comment">names</span> <span class="comment">or</span><span class="comment"> -1 </span><span class="comment">to</span> <span class="comment">quit</span>
|
||||
<span class="comment"> *</span>
|
||||
<span class="comment"> * </span><span class="ST1">@return</span> <span class="comment">number</span> <span class="comment">of</span> <span class="comment">students</span> <span class="comment">or</span><span class="comment"> -1;</span>
|
||||
<span class="comment">*/</span>
|
||||
|
||||
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">int</span> <span class="ST2">maxNumberOfColumnsInStringArray</span>(String[] ar)
|
||||
{
|
||||
<span class="literal">int</span> maxNumberOfColumns = <span class="number">0</span>;
|
||||
<span class="literal">for</span> (<span class="literal">int</span> row = <span class="number">0</span>; row < ar.<span class="ST3">length</span>; ++row) {
|
||||
<span class="literal">if</span> (ar[row].length() > maxNumberOfColumns) {
|
||||
maxNumberOfColumns = ar[row].length();
|
||||
}
|
||||
}
|
||||
<span class="literal">return</span> maxNumberOfColumns;
|
||||
}
|
||||
|
||||
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">int</span> <span class="ST2">menu</span>()
|
||||
{
|
||||
<span class="literal">int</span> userInt = -<span class="number">1</span>;
|
||||
<span class="literal">do</span> {
|
||||
System.<span class="ST4">out</span>.println(<span class="string">"</span><span class="string">Enter the numbrer of students or -1 to quit: </span><span class="string">"</span>);
|
||||
Scanner input = <span class="literal">new</span> Scanner(System.<span class="ST4">in</span>);
|
||||
userInt = input.nextInt();
|
||||
<span class="literal">if</span> (userInt == <span class="number">0</span>) {
|
||||
System.<span class="ST4">out</span>.println(<span class="string">"</span><span class="string">Input cannot be 0!</span><span class="string">"</span>);
|
||||
} <span class="literal">else</span> {
|
||||
<span class="literal">return</span> userInt;
|
||||
}
|
||||
} <span class="literal">while</span> (userInt != -<span class="number">1</span>);
|
||||
<span class="literal">return</span> -<span class="number">1</span>;
|
||||
}
|
||||
|
||||
<span class="comment">/**</span>
|
||||
<span class="comment"> * </span><span class="comment">Reads</span> <span class="comment">form</span> <span class="comment">user</span> <span class="comment">a</span> <span class="comment">number</span> <span class="comment">of</span> <span class="comment">names</span><span class="comment">, </span><span class="comment">creates</span> <span class="comment">the</span> <span class="comment">array</span> <span class="comment">of</span> <span class="comment">names</span> <span class="comment">and</span> <span class="comment">returns</span> <span class="comment">it</span><span class="comment">.</span> <span class="comment">Stores</span> <span class="comment">the</span> <span class="comment">array</span> <span class="comment">into</span> <span class="comment">this</span><span class="comment">.</span><span class="comment">names</span>
|
||||
<span class="comment"> *</span>
|
||||
<span class="comment"> * </span><span class="ST1">@param</span> <span class="ST5">numberOfNames</span>
|
||||
<span class="comment"> * </span><span class="ST1">@return</span> <span class="comment">array</span> <span class="comment">of</span> <span class="comment">names</span><span class="comment">.</span>
|
||||
<span class="comment">*/</span>
|
||||
<span class="literal">public</span> <span class="literal">static</span> String[] <span class="ST2">readNames</span>(<span class="literal">int</span> numOfNames)
|
||||
{
|
||||
String[] names = <span class="literal">new</span> String[numOfNames];
|
||||
Scanner input = <span class="literal">new</span> Scanner(System.<span class="ST4">in</span>);
|
||||
<span class="literal">for</span> (<span class="literal">int</span> i = <span class="number">0</span>; i < numOfNames; i++) {
|
||||
System.<span class="ST4">out</span>.print(<span class="string">"</span><span class="string">Enter a name: </span><span class="string">"</span>);
|
||||
names[i] = input.next();
|
||||
}
|
||||
<span class="literal">return</span> names;
|
||||
}
|
||||
|
||||
<span class="comment">/**</span>
|
||||
<span class="comment"> * </span><span class="comment">Sorts</span> <span class="comment">the</span> <span class="comment">array</span> <span class="comment">of</span> <span class="comment">names</span> <span class="comment">in</span> <span class="comment">ascending</span> <span class="comment">order</span> <span class="comment">Does</span> <span class="comment">not</span> <span class="comment">replace</span> <span class="comment">the</span> <span class="comment">this</span><span class="comment">.</span><span class="comment">names</span>
|
||||
<span class="comment"> *</span>
|
||||
<span class="comment"> * </span><span class="ST1">@param</span> <span class="ST5">ar</span> <span class="comment">the</span> <span class="comment">array</span> <span class="comment">to</span> <span class="comment">be</span> <span class="comment">sorted</span>
|
||||
<span class="comment"> * </span><span class="ST1">@return</span> <span class="comment">returns</span> <span class="comment">the</span> <span class="comment">sorted</span> <span class="comment">array</span>
|
||||
<span class="comment">*/</span>
|
||||
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST2">sortNames</span>(String[] names)
|
||||
{
|
||||
<span class="literal">for</span> (<span class="literal">int</span> i = <span class="number">0</span>; i < names.<span class="ST3">length</span> - <span class="number">1</span>; ++i) {
|
||||
<span class="literal">for</span> (<span class="literal">int</span> j = i + <span class="number">1</span>; j < names.<span class="ST3">length</span>; ++j) {
|
||||
<span class="literal">char</span> compChar1 = names[i].charAt(<span class="number">0</span>), compChar2 = names[j].charAt(<span class="number">0</span>);
|
||||
<span class="comment">// Reoder entire row</span>
|
||||
<span class="literal">for</span> (<span class="literal">int</span> rowIterate = <span class="number">1</span>; rowIterate < <span class="ST6">maxNumberOfColumnsInStringArray</span>(names); ++rowIterate) {
|
||||
<span class="literal">if</span> (Character.<span class="ST6">toLowerCase</span>(compChar1) == Character.<span class="ST6">toLowerCase</span>(compChar2)) {
|
||||
<span class="literal">try</span> {
|
||||
compChar1 = names[i].charAt(rowIterate);
|
||||
compChar2 = names[j].charAt(rowIterate);
|
||||
} <span class="literal">catch</span> (Exception ex) {
|
||||
<span class="comment">// If it's failed, the index has gone out of range.</span>
|
||||
<span class="comment">// Check the length of the arrays and swap the larger one with the smaller one.</span>
|
||||
<span class="literal">if</span> (names[i].length() > names[j].length()) {
|
||||
System.<span class="ST4">out</span>.println(names[i].length() + <span class="string">"</span> <span class="string">"</span> + names[j].length());
|
||||
System.<span class="ST4">out</span>.println(<span class="string">"</span><span class="string">Swapping </span><span class="string">"</span> + names[i] + <span class="string">"</span><span class="string"> with </span><span class="string">"</span> + names[j]);
|
||||
String temp = names[i];
|
||||
names[i] = names[j];
|
||||
names[j] = temp;
|
||||
}
|
||||
<span class="literal">break</span>;
|
||||
}
|
||||
|
||||
}
|
||||
<span class="literal">if</span> (Character.<span class="ST6">toLowerCase</span>(compChar1) > Character.<span class="ST6">toLowerCase</span>(compChar2)) {
|
||||
System.<span class="ST4">out</span>.println(<span class="string">"</span><span class="string">Swapping </span><span class="string">"</span> + names[i] + <span class="string">"</span><span class="string"> with </span><span class="string">"</span> + names[j]);
|
||||
String temp = names[i];
|
||||
names[i] = names[j];
|
||||
names[j] = temp;
|
||||
<span class="literal">break</span>;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
<span class="comment">/**</span>
|
||||
<span class="comment"> * </span><span class="comment">Prints</span> <span class="comment">the</span> <span class="comment">array</span> <span class="comment">of</span> <span class="comment">objects</span>
|
||||
<span class="comment"> *</span>
|
||||
<span class="comment"> * </span><span class="ST1">@param</span> <span class="ST5">ar</span> <span class="comment">is</span> <span class="comment">printed</span>
|
||||
<span class="comment">*/</span>
|
||||
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST2">print</span>(String[] arr)
|
||||
{
|
||||
<span class="literal">for</span> (String string: arr) {
|
||||
System.<span class="ST4">out</span>.println(string);
|
||||
}
|
||||
}
|
||||
|
||||
<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">int</span> numOfNames = <span class="ST6">menu</span>();
|
||||
String[] names = <span class="literal">null</span>;
|
||||
<span class="literal">while</span> (numOfNames != -<span class="number">1</span>) {
|
||||
names = <span class="ST6">readNames</span>(numOfNames);
|
||||
System.<span class="ST4">out</span>.println(<span class="string">"</span><span class="string">Original Names:</span><span class="string">"</span>);
|
||||
<span class="ST6">print</span>(names);
|
||||
System.<span class="ST4">out</span>.println(<span class="string">"</span><span class="string">Sorted Names:</span><span class="string">"</span>);
|
||||
<span class="ST6">sortNames</span>(names);
|
||||
<span class="ST6">print</span>(names);
|
||||
numOfNames = <span class="ST6">menu</span>();
|
||||
}
|
||||
System.<span class="ST4">out</span>.println(<span class="string">"</span><span class="string">goodbye!</span><span class="string">"</span>);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
</pre></body>
|
||||
</html>
|
||||
14
Semester 2/Exams/PracticeExam1/pom.xml
Normal file
14
Semester 2/Exams/PracticeExam1/pom.xml
Normal file
@@ -0,0 +1,14 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<groupId>com.calebfontenot</groupId>
|
||||
<artifactId>PracticeExam1</artifactId>
|
||||
<version>1.0-SNAPSHOT</version>
|
||||
<packaging>jar</packaging>
|
||||
<properties>
|
||||
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
|
||||
<maven.compiler.source>1.8</maven.compiler.source>
|
||||
<maven.compiler.target>1.8</maven.compiler.target>
|
||||
<exec.mainClass>com.calebfontenot.practiceexam1.PracticeExam1</exec.mainClass>
|
||||
</properties>
|
||||
</project>
|
||||
@@ -0,0 +1,80 @@
|
||||
/*
|
||||
* 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.calebfontenot.practiceexam1;
|
||||
|
||||
import java.util.GregorianCalendar;
|
||||
import java.util.Objects;
|
||||
|
||||
/**
|
||||
*
|
||||
* @author caleb
|
||||
*/
|
||||
public class Person {
|
||||
private String name;
|
||||
private final GregorianCalendar birthDate;
|
||||
|
||||
public Person(String name, GregorianCalendar brithDate)
|
||||
{
|
||||
this.name = name;
|
||||
this.birthDate = brithDate;
|
||||
}
|
||||
|
||||
public String getName()
|
||||
{
|
||||
return name;
|
||||
}
|
||||
|
||||
public void setName(String name)
|
||||
{
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
public GregorianCalendar getBirthdate() {
|
||||
return this.birthDate;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj)
|
||||
{
|
||||
if (this == obj) {
|
||||
return true;
|
||||
}
|
||||
if (obj == null) {
|
||||
return false;
|
||||
}
|
||||
if (getClass() != obj.getClass()) {
|
||||
return false;
|
||||
}
|
||||
final Person other = (Person) obj;
|
||||
if (!Objects.equals(this.name, other.name)) {
|
||||
return false;
|
||||
}
|
||||
return Objects.equals(this.birthDate, other.birthDate);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString()
|
||||
{
|
||||
return "Person{" + "name=" + name + ", birthDate=" + birthDate.toInstant() + '}';
|
||||
}
|
||||
|
||||
|
||||
public static void main(String[] args)
|
||||
{
|
||||
Person john = new Person("John", new GregorianCalendar(2003, 8, 28));
|
||||
Person mary = new Person("Mary", new GregorianCalendar(2004, 3, 23));
|
||||
System.out.println(john);
|
||||
System.out.println(mary);
|
||||
Person john1 = new Person("John", new GregorianCalendar(2003, 8, 28));
|
||||
Person john2 = new Person("John", new GregorianCalendar(2003, 10, 10));
|
||||
Person john3 = new Person("John", new GregorianCalendar(2003, 8, 28));
|
||||
|
||||
System.out.println(john1.equals(john));
|
||||
System.out.println(john2.equals(john));
|
||||
System.out.println(john3.equals(john));
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
@@ -0,0 +1,16 @@
|
||||
/*
|
||||
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
|
||||
*/
|
||||
|
||||
package com.calebfontenot.practiceexam1;
|
||||
|
||||
/**
|
||||
*
|
||||
* @author caleb
|
||||
*/
|
||||
public class PracticeExam1 {
|
||||
|
||||
public static void main(String[] args) {
|
||||
System.out.println("Hello World!");
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,143 @@
|
||||
/*
|
||||
* 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.calebfontenot.practiceexam1;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.Scanner;
|
||||
|
||||
/**
|
||||
*
|
||||
* @author caleb
|
||||
*/
|
||||
|
||||
|
||||
public class Problem1ArrayNames {
|
||||
|
||||
public static int maxNumberOfColumnsInJagged2dArray(char[][] ar)
|
||||
{
|
||||
int maxNumberOfColumns = 0;
|
||||
for (int row = 0; row < ar.length; ++row) {
|
||||
if (ar[row].length > maxNumberOfColumns) {
|
||||
maxNumberOfColumns = ar[row].length;
|
||||
}
|
||||
}
|
||||
return maxNumberOfColumns;
|
||||
}
|
||||
/**
|
||||
* Displays Enter number of names or -1 to quit
|
||||
*
|
||||
* @return number of students or -1;
|
||||
*/
|
||||
public static int menu()
|
||||
{
|
||||
int userInt = -1;
|
||||
do {
|
||||
System.out.println("Enter the numbrer of students or -1 to quit: ");
|
||||
Scanner input = new Scanner(System.in);
|
||||
userInt = input.nextInt();
|
||||
if (userInt == 0) {
|
||||
System.out.println("Input cannot be 0!");
|
||||
} else {
|
||||
return userInt;
|
||||
}
|
||||
} while (userInt != -1);
|
||||
return -1;
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads form user a number of names, creates the array of names and returns it.
|
||||
*
|
||||
* @param numberOfNames
|
||||
* @return array of names.
|
||||
*/
|
||||
public static char[][] readNames(int numOfNames)
|
||||
{
|
||||
char[][] names = new char[numOfNames][];
|
||||
Scanner input = new Scanner(System.in);
|
||||
for (int i = 0; i < numOfNames; i++) {
|
||||
System.out.print("Enter a name: ");
|
||||
names[i] = input.next().toCharArray();
|
||||
}
|
||||
return names;
|
||||
}
|
||||
public static String returnRowMajorOrder(char[] ar)//normal
|
||||
{
|
||||
String returnString = "";
|
||||
for (int x = 0; x < ar.length; ++x) {
|
||||
returnString += ar[x];
|
||||
}
|
||||
return returnString;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sorts the array in ascending order.
|
||||
*
|
||||
* @param ar
|
||||
*/
|
||||
public static void sortNames(char[][] names)
|
||||
{
|
||||
for (int i = 0; i < names.length - 1; ++i) {
|
||||
for (int j = i + 1; j < names.length; ++j) {
|
||||
char compChar1 = names[i][0], compChar2 = names[j][0];
|
||||
// Reoder entire row
|
||||
for (int rowIterate = 1; rowIterate < maxNumberOfColumnsInJagged2dArray(names); ++rowIterate) {
|
||||
if (Character.toLowerCase(compChar1) == Character.toLowerCase(compChar2)) {
|
||||
try {
|
||||
compChar1 = names[i][rowIterate];
|
||||
compChar2 = names[j][rowIterate];
|
||||
} catch (Exception ex) {
|
||||
// If it's failed, the index has gone out of range.
|
||||
// Check the length of the arrays and swap the larger one with the smaller one.
|
||||
if (names[i].length > names[j].length) {
|
||||
System.out.println(names[i].length + " " + names[j].length);
|
||||
System.out.println("Swapping " + returnRowMajorOrder(names[i]) + " with " + returnRowMajorOrder(names[j]));
|
||||
char[] temp = names[i];
|
||||
names[i] = names[j];
|
||||
names[j] = temp;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
}
|
||||
if (Character.toLowerCase(compChar1) > Character.toLowerCase(compChar2)) {
|
||||
System.out.println("Swapping " + returnRowMajorOrder(names[i]) + " with " + returnRowMajorOrder(names[j]));
|
||||
char[] temp = names[i];
|
||||
names[i] = names[j];
|
||||
names[j] = temp;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Prints the array
|
||||
*
|
||||
* @param ar is printed
|
||||
*/
|
||||
public static void print(char[][] ar)
|
||||
{
|
||||
for (char[] nested : ar) {
|
||||
System.out.println(Arrays.toString(nested));
|
||||
}
|
||||
}
|
||||
|
||||
public static void main(String[] args)
|
||||
{
|
||||
int numOfNames = menu();
|
||||
char[][] names = null;
|
||||
while (numOfNames != -1) {
|
||||
names = readNames(numOfNames);
|
||||
System.out.println("Original Names:");
|
||||
print(names);
|
||||
System.out.println("Sorted Names:");
|
||||
sortNames(names);
|
||||
print(names);
|
||||
numOfNames = menu();
|
||||
}
|
||||
System.out.println("goodbye!");
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,138 @@
|
||||
/*
|
||||
* 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.calebfontenot.practiceexam1;
|
||||
|
||||
import java.util.Scanner;
|
||||
|
||||
/**
|
||||
*
|
||||
* @author caleb
|
||||
*/
|
||||
public class Problem2ArrayObjects {
|
||||
|
||||
private String[] names;
|
||||
|
||||
/**
|
||||
* Displays: Enter number of names or -1 to quit
|
||||
*
|
||||
* @return number of students or -1;
|
||||
*/
|
||||
|
||||
public static int maxNumberOfColumnsInStringArray(String[] ar)
|
||||
{
|
||||
int maxNumberOfColumns = 0;
|
||||
for (int row = 0; row < ar.length; ++row) {
|
||||
if (ar[row].length() > maxNumberOfColumns) {
|
||||
maxNumberOfColumns = ar[row].length();
|
||||
}
|
||||
}
|
||||
return maxNumberOfColumns;
|
||||
}
|
||||
|
||||
public static int menu()
|
||||
{
|
||||
int userInt = -1;
|
||||
do {
|
||||
System.out.println("Enter the numbrer of students or -1 to quit: ");
|
||||
Scanner input = new Scanner(System.in);
|
||||
userInt = input.nextInt();
|
||||
if (userInt == 0) {
|
||||
System.out.println("Input cannot be 0!");
|
||||
} else {
|
||||
return userInt;
|
||||
}
|
||||
} while (userInt != -1);
|
||||
return -1;
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads form user a number of names, creates the array of names and returns it. Stores the array into this.names
|
||||
*
|
||||
* @param numberOfNames
|
||||
* @return array of names.
|
||||
*/
|
||||
public static String[] readNames(int numOfNames)
|
||||
{
|
||||
String[] names = new String[numOfNames];
|
||||
Scanner input = new Scanner(System.in);
|
||||
for (int i = 0; i < numOfNames; i++) {
|
||||
System.out.print("Enter a name: ");
|
||||
names[i] = input.next();
|
||||
}
|
||||
return names;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sorts the array of names in ascending order Does not replace the this.names
|
||||
*
|
||||
* @param ar the array to be sorted
|
||||
* @return returns the sorted array
|
||||
*/
|
||||
public static void sortNames(String[] names)
|
||||
{
|
||||
for (int i = 0; i < names.length - 1; ++i) {
|
||||
for (int j = i + 1; j < names.length; ++j) {
|
||||
char compChar1 = names[i].charAt(0), compChar2 = names[j].charAt(0);
|
||||
// Reoder entire row
|
||||
for (int rowIterate = 1; rowIterate < maxNumberOfColumnsInStringArray(names); ++rowIterate) {
|
||||
if (Character.toLowerCase(compChar1) == Character.toLowerCase(compChar2)) {
|
||||
try {
|
||||
compChar1 = names[i].charAt(rowIterate);
|
||||
compChar2 = names[j].charAt(rowIterate);
|
||||
} catch (Exception ex) {
|
||||
// If it's failed, the index has gone out of range.
|
||||
// Check the length of the arrays and swap the larger one with the smaller one.
|
||||
if (names[i].length() > names[j].length()) {
|
||||
System.out.println(names[i].length() + " " + names[j].length());
|
||||
System.out.println("Swapping " + names[i] + " with " + names[j]);
|
||||
String temp = names[i];
|
||||
names[i] = names[j];
|
||||
names[j] = temp;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
}
|
||||
if (Character.toLowerCase(compChar1) > Character.toLowerCase(compChar2)) {
|
||||
System.out.println("Swapping " + names[i] + " with " + names[j]);
|
||||
String temp = names[i];
|
||||
names[i] = names[j];
|
||||
names[j] = temp;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Prints the array of objects
|
||||
*
|
||||
* @param ar is printed
|
||||
*/
|
||||
public static void print(String[] arr)
|
||||
{
|
||||
for (String string: arr) {
|
||||
System.out.println(string);
|
||||
}
|
||||
}
|
||||
|
||||
public static void main(String[] args)
|
||||
{
|
||||
int numOfNames = menu();
|
||||
String[] names = null;
|
||||
while (numOfNames != -1) {
|
||||
names = readNames(numOfNames);
|
||||
System.out.println("Original Names:");
|
||||
print(names);
|
||||
System.out.println("Sorted Names:");
|
||||
sortNames(names);
|
||||
print(names);
|
||||
numOfNames = menu();
|
||||
}
|
||||
System.out.println("goodbye!");
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user