Method SquareSum

Java/Happy-Number.java:20–29

(int n)

static int SquareSum(int n) 
    { 
        int square = 0; 
        while (n!= 0) 
        { 
            square += (n % 10) * (n % 10); 
            n /= 10; 
        } 
    return square; 
    } 
 
}