package inheritInterface;
interface it1 {
int x = 10, y = 20;
public void add(int a, int b);
public void sub(int a, int b);
}
class arithmOp implements it1 {
public void add(int p, int q) {
System.out.println("Addition of two numbers: " + (p + q));
}
public void sub(int p, int q) {
System.out.println("Addition of two numbers: " + (p - q));
}
}
public class StudentInterface {
public static void main(String[] args) {
// TODO Auto-generated method stub
arithmOp obj = new arithmOp();
obj.add(10, 15);
obj.sub(15, 10);
System.out.println(it1.x + it1.y); // This works without errors (actually a wrong method - don't use)
System.out.println(obj.x + obj.y); // This works but gives errors.
}
}