Java Class Method

package dkp.week3;
public class MethodExample {  
       public static void sumNumber1(int a,int b) {    
              System.out.println("Void Method"+(a+b));
                  } 
       public static int sumNumber2(int a,int b) {           
              return(a+b);
       }
       public static void main(String[] args) {
              // TODO Auto-generated method stub
              int c;          
              c=sumNumber2(10,20);           
              System.out.println("Int Method:"+c);
              sumNumber1(10,20);
}
}