class A {

int a = 10;

int b = 5;

public void display()

{

System.out.println(a);

}

public void disp(int x)

{

System.out.println(x+a);

}

public int disp() {

return (a + b);

}

};

class hai

{

public static void main(String[] args) {

A obj = new A();

obj.disp();

obj.disp(4);

int x = obj.disp();

System.out.println(x);

}

}