67 lines
4.1 KiB
HTML
67 lines
4.1 KiB
HTML
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<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>
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<pre>
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<span class="comment">/*</span>
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<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>
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<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java</span><span class="comment"> to edit this template</span>
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<span class="comment"> */</span>
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<span class="literal">package</span> com.mycompany.lab6.exceptions_calebfontenot;
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<span class="literal">import</span> java.io.File;
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<span class="literal">import</span> java.io.PrintWriter;
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<span class="literal">import</span> java.util.Scanner;
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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> WriteReadData {
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<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
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{
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File file = <span class="literal">new</span> File(<span class="string">"</span><span class="string">rw.txt</span><span class="string">"</span>);
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<span class="literal">int</span> randInt;
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<span class="literal">if</span> (!file.exists()) {
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System.<span class="ST3">out</span>.println(<span class="string">"</span><span class="string">File does not exist! Creating it...</span><span class="string">"</span>);
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<span class="literal">try</span> (PrintWriter output = <span class="literal">new</span> PrintWriter(file);) {
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<span class="literal">for</span> (<span class="literal">int</span> i = <span class="number">0</span>; i < <span class="number">100</span>; ++i) {
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randInt = (<span class="literal">int</span>) (Math.<span class="ST4">random</span>() * <span class="number">100</span>);
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System.<span class="ST3">out</span>.println(<span class="string">"</span><span class="string">Writing </span><span class="string">"</span> + randInt + <span class="string">"</span><span class="string"> to file...</span><span class="string">"</span>);
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output.write(Integer.<span class="ST4">toString</span>(randInt) + <span class="string">"</span><span class="literal">\n</span><span class="string">"</span>);
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}
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} <span class="literal">catch</span> (Exception ex) {
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System.<span class="ST3">out</span>.println(ex);
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}
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}
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Scanner input = <span class="literal">new</span> Scanner(file);
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System.<span class="ST3">out</span>.println(<span class="string">"</span><span class="string">Reading file contents:</span><span class="string">"</span>);
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<span class="literal">while</span> (input.hasNext()) {
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System.<span class="ST3">out</span>.println(input.next());
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}
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}
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}
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</pre></body>
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