java-programming/javaUpdates/src/interview/ArmStrong.java at master · 9146887137/java-programming · GitHub

38 lines (32 loc) · 569 Bytes

package interview;

public class ArmStrong {

public static void main(String[] args) {

if(add(153)==153) {

System.out.println("armstrong number");

}

else {

System.out.println("not armstrong");

}

public static int count(int num) {

int ct=0;

while(num!=0) {

num/=10;

ct++;

}

return ct;

}

public static int add(int num) {

int sum=0;

int num1=num;

while(num>0) {

int pow=1;

for(int i=0;i<count(num1);i++) {

pow*=num%10;

}

sum+=pow;

num/=10;

}

return sum;

}

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