JAVA create class and sevalue and get value using function

class abc{
           int a;
           int b;
           public void setvalue(int aa,int bb){
                this.a = aa;
                this.b = bb;
            }
           public void printvalue(){
                   System.out.println(a);
                   System.out.println(b);
           }
}
class file_name{

           public static void main(String ar[]){
                     abc s=new abc();
                     s.setvalue(15,25);
                      s.prints();
           }
}

OutPut
----------------------
15
25