└── sum.java


/sum.java:
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 1 | package traninginjava;
 2 | import java.util.Scanner;
 3 | public class sum {
 4 | 	public int sum(int a) {
 5 | 			
 6 | 			int res=0;
 7 | 			while(a>0) {
 8 | 				
 9 | 				int	t=a%10;
10 | 					res=res+t;	
11 | 					a=a/10;
12 | 					
13 | 		}
14 | 			return res;
15 | 	}
16 | 	public static void main(String args[] ) {
17 | 		Scanner s=new Scanner(System.in);
18 | 
19 | 		System.out.println("Number:");
20 | 		int n=s.nextInt();
21 | 		sum x =new sum();
22 | 		int y=x.sum(n);
23 | 		System.out.println(y);	
24 | 	}
25 | 	}
26 | 
27 | 


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