87 lines
5.3 KiB
HTML
87 lines
5.3 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/DecimalToBinary.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> 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"> *</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> DecimalToBinary {
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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 decimal integer: </span><span class="string">"</span>);
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<span class="literal">int</span> decimal = input.nextInt();
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System.out.println(decimal + <span class="string">"</span><span class="string"> is </span><span class="string">"</span> + decimalToBinary(decimal) + <span class="string">"</span><span class="string"> in binary.</span><span class="string">"</span>);
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}
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}
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<span class="literal">public</span> <span class="literal">static</span> String decimalToBinary(<span class="literal">int</span> value) {
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<span class="literal">return</span> reverse(decimalToBinary(value, <span class="string">""</span>));
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}
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<span class="literal">public</span> <span class="literal">static</span> String decimalToBinary(<span class="literal">int</span> value, String bin) {
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<span class="literal">if</span> (value == <span class="number">0</span>) {
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<span class="literal">return</span> bin += <span class="string">""</span>;
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} <span class="literal">else</span> <span class="literal">if</span> (value > <span class="number">0</span>) {
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<span class="literal">if</span> (value % <span class="number">2</span> == <span class="number">1</span>) {
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<span class="literal">return</span> decimalToBinary((<span class="literal">int</span>) Math.floor(value / <span class="number">2</span>), bin + <span class="string">"</span><span class="string">1</span><span class="string">"</span>);
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} <span class="literal">else</span> {
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<span class="literal">return</span> decimalToBinary((<span class="literal">int</span>) Math.floor(value / <span class="number">2</span>), bin + <span class="string">"</span><span class="string">0</span><span class="string">"</span>);
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}
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}
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<span class="literal">return</span> <span class="string">"</span><span class="string">0 naht ssel si eulav</span><span class="string">"</span>;
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}
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<span class="literal">public</span> <span class="literal">static</span> String reverse(String input) {
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String returnString = <span class="string">""</span>;
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<span class="literal">for</span> (<span class="literal">int</span> i = input.length() - <span class="number">1</span>; <span class="number">0</span> <= i; --i) {
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returnString += input.charAt(i);
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}
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<span class="literal">return</span> returnString;
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}
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<span class="literal">public</span> <span class="literal">static</span> String decimalToBinaryIterative(<span class="literal">int</span> value) {
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String bin = <span class="string">""</span>;
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<span class="literal">while</span> (value > <span class="number">0</span>) {
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<span class="literal">if</span> (value % <span class="number">2</span> == <span class="number">1</span>)
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bin += <span class="string">"</span><span class="string">1</span><span class="string">"</span>;
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<span class="literal">else</span>
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bin += <span class="string">"</span><span class="string">0</span><span class="string">"</span>;
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value /= <span class="number">2</span>;
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}
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<span class="literal">return</span> reverse(bin);
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}
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}
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</pre></body>
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