Write a java program to calculate sum of digit .

Program :

class Sum

{

public static void main(String[] args) {

int x = 123 , Sum = 0 ;

int rem ;

while(x>0)

{

rem = x%10 ;

Sum = Sum + rem ;

x = x/10 ;

}

System.out.println("Sum is "+Sum);

}

}

Output :