62 lines
3.6 KiB
HTML
62 lines
3.6 KiB
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<title>OccurencesOfSpecifiedCharacterInArray.java</title>
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<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 3/Assignments/lab5-recursion2_CalebFontenot/src/main/java/edu/slcc/asdv/caleb/lab5/recursion2_calebfontenot/OccurencesOfSpecifiedCharacterInArray.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 nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license</span>
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<span class="comment"> * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template</span>
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<span class="comment"> */</span>
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<span class="literal">package</span> edu.slcc.asdv.caleb.lab5.recursion2_calebfontenot;
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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="ST0">@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> OccurencesOfSpecifiedCharacterInArray {
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<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> main(String[] args)
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{
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System.out.print(<span class="string">"</span><span class="string">Enter a string: </span><span class="string">"</span>);
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Scanner input = <span class="literal">new</span> Scanner(System.in);
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String s = input.nextLine();
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<span class="literal">char</span>[] items = s.toCharArray();
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System.out.print(<span class="string">"</span><span class="string">Enter a character: </span><span class="string">"</span>);
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<span class="literal">char</span> ch = input.nextLine().trim().charAt(<span class="number">0</span>);
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System.out.println(ch + <span class="string">"</span><span class="string"> appears </span><span class="string">"</span> + count(items, ch) + <span class="string">"</span><span class="string"> times.</span><span class="string">"</span>);
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}
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<span class="literal">public</span> <span class="literal">static</span> <span class="literal">int</span> count(<span class="literal">char</span>[] chars, <span class="literal">char</span> ch) {
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<span class="literal">return</span> count(chars, chars.length - <span class="number">1</span>, ch);
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}
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<span class="literal">public</span> <span class="literal">static</span> <span class="literal">int</span> count(<span class="literal">char</span>[] chars, <span class="literal">int</span> high, <span class="literal">char</span> ch) {
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<span class="literal">if</span> (high >= <span class="number">0</span>) {
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<span class="literal">return</span> count(chars, high - <span class="number">1</span>, ch) + (ch == chars[high] ? <span class="number">1</span> : <span class="number">0</span>);
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} <span class="literal">else</span> {
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<span class="literal">return</span> <span class="number">0</span>;
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}
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}
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}
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</pre></body>
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