64 lines
3.5 KiB
HTML
64 lines
3.5 KiB
HTML
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<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 3/Assignments/MP3_Recursion_CalebFontenot/src/mp3_recursion_calebfontenot/BinaryToDecimal.java</td></tr></table>
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<pre>
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<span class="literal">package</span> mp3_recursion_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"> * 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="comment">/**</span>
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<span class="comment"> *</span>
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<span class="comment"> * </span><span class="comment">@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> BinaryToDecimal {
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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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Scanner input = <span class="literal">new</span> Scanner(System.in);
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<span class="literal">while</span> (<span class="literal">true</span>) {
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System.out.print(<span class="string">"</span><span class="string">Enter a binary number: </span><span class="string">"</span>);
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String binary = input.nextLine();
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System.out.println(binary + <span class="string">"</span><span class="string"> in decimal is </span><span class="string">"</span> + binaryToDecimal(binary));
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}
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}
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<span class="literal">public</span> <span class="literal">static</span> <span class="literal">int</span> binaryToDecimal(String binaryString) {
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<span class="literal">return</span> binaryToDecimal(binaryString, <span class="number">0</span>, binaryString.length(), <span class="number">0</span>);
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}
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<span class="literal">public</span> <span class="literal">static</span> <span class="literal">int</span> binaryToDecimal(String binaryString, <span class="literal">int</span> low, <span class="literal">int</span> high, <span class="literal">int</span> value) {
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<span class="literal">if</span> (low == binaryString.length() - <span class="number">1</span>) {
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<span class="literal">return</span> value;
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}
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<span class="literal">if</span> (binaryString.charAt(low) == <span class="string">'</span><span class="string">1</span><span class="string">'</span>) {
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<span class="literal">return</span> binaryToDecimal(binaryString, ++low, --high, value += Math.pow(<span class="number">2</span>, high));
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} <span class="literal">else</span> {
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<span class="literal">return</span> binaryToDecimal(binaryString, ++low, --high, value);
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}
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}
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}
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