63 lines
3.2 KiB
HTML
63 lines
3.2 KiB
HTML
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<title>SumOfDigits.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/SumOfDigits.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> SumOfDigits {
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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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Scanner input = <span class="literal">new</span> Scanner(System.in);
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System.out.print(<span class="string">"</span><span class="string">Enter an integer: </span><span class="string">"</span>);
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<span class="literal">int</span> i = input.nextInt();
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System.out.print(<span class="string">"</span><span class="string">The sum of digits in </span><span class="string">"</span> + i
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+ <span class="string">"</span><span class="string"> is </span><span class="string">"</span> + sumDigits(i));
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System.out.println();
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}
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<span class="literal">public</span> <span class="literal">static</span> <span class="literal">long</span> sumDigits(<span class="literal">long</span> n)
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{
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<span class="comment">// Base case: if the number is a single digit, return it</span>
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<span class="literal">if</span> (n < <span class="number">10</span>) {
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<span class="literal">return</span> n;
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} <span class="literal">else</span> {
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<span class="comment">// Recursive case: sum the last digit and call the function on the remaining digits</span>
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<span class="literal">long</span> lastDigit = n % <span class="number">10</span>;
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<span class="literal">long</span> remainingDigits = n / <span class="number">10</span>;
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<span class="literal">return</span> lastDigit + sumDigits(remainingDigits);
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}
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}
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}
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