Sum of all digits for a given Positive Number [closed]

Answer 1

try

public class DigitSum {
int  Sum=0;
public int compute( int MethParam )
{
    int rem = MethParam%10; 
    Sum+=rem;        

    MethParam = MethParam/10; 
    if(MethParam>10)
        compute(MethParam);
    else
        Sum+=MethParam;

        if(Sum>=10){
        int temp=Sum;
        Sum=0;
        compute(temp);
    }

         return Sum;  
}

public static void main(String[] args){
    DigitSum ds= new DigitSum();
        System.out.println(ds.compute(435));
    }
}