JAVA TUTORIALS FOR BEGINNER

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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjby-4b94clLKZqwAJxms2MZbaRn_oiMc_vsPvZH_3AZu1JQD39P8ccKRmaJVuAXL6uf4W06oqMf-BhEJ_y8AdBuECSMBevUFCZj2ZgNuvW6OYlnCOA9xd03z_SsAtSb2ro-MK5Cpm169Y4/s1600/armstrong+number+in+java.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="238" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjby-4b94clLKZqwAJxms2MZbaRn_oiMc_vsPvZH_3AZu1JQD39P8ccKRmaJVuAXL6uf4W06oqMf-BhEJ_y8AdBuECSMBevUFCZj2ZgNuvW6OYlnCOA9xd03z_SsAtSb2ro-MK5Cpm169Y4/s1600/armstrong+number+in+java.JPG" width="320" /></a></div>
This
 java program checks if a number is Armstrong or not. Armstrong number 
is a number which is equal to sum of digits raise to the power total 
number of digits in the number. Some Armstrong numbers are: 0, 1, 4, 5, 
 9, 153, 371, 407, 8208 etc. 
<h2>
Java programming code</h2>
<div class="geshifilter">
<pre class="java geshifilter-java" style="font-family: monospace;">import java.util.Scanner;
 
class ArmstrongNumber
{
 public static void main(String args[])
 {
 int n, sum = 0, temp, remainder, digits = 0;
 
 Scanner in = new Scanner(System.in);
 System.out.println("Input a number to check if it is an Armstrong number"); 
 n = in.nextInt();
 
 temp = n;
 
 // Count number of digits
 
 while (temp != 0) {
 digits++;
 temp = temp/10;
 }
 
 temp = n;
 
 while (temp != 0) {
 remainder = temp%10;
 sum = sum + power(remainder, digits);
 temp = temp/10;
 }
 
 if (n == sum)
 System.out.println(n + " is an Armstrong number.");
 else
 System.out.println(n + " is not an Armstrong number."); 
 }
 
 static int power(int n, int r) {
 int c, p = 1;
 
 for (c = 1; c <= r; c++) 
 p = p*n;
 
 return p; 
 }
}</pre>
</div>
 
Output 
 
 
 
 
<img alt="Armstrong number java program output" src="http://www.programmingsimplified.com/images/java/Armstrong-number-java.png" /> 
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armstrong number program in java

This java program checks if a number is Armstrong or not. Armstrong number is a number which is equal to sum of digits raise to...

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armstrong number program in java