public class OverLoadTest {
    public class Top {
	public void f(Object o) {
	    System.out.println("Top.f(Object) = " + o);
	}

	public void f(Object o, String s) {
	    System.out.println("Top.f(Object,String) = " + o + "," + s);
	}
 	public void f(String s, Object o) {
	    System.out.println("Top.f(String,Object) = " + s + "," + o);
	}
        public void f(String s, String s1) {}
    }

    public class Bottom extends Top {
	public void f(Object o) {
	    System.out.println("Bottom.f(Object) = " + o);
	}
	public void f(String s) {
	    System.out.println("Bottom.f(String) = " + s);
	}
    }

    public void top() {
	Top top = new Bottom();
	top.f(new java.util.Vector());
	top.f("hello");
	top.f((Object)"hello");
    }

    public void bottom() {
	Bottom top = new Bottom();
	top.f(new java.util.Vector());
	top.f("hello");
	top.f((Object)"hello");
    }

    public void f2test() {
	Top top = new Top();
	top.f("bye","bye");
    }

    public static void main(String[] args) {
	OverLoadTest olt = new OverLoadTest();
	if (args.length != 0)
	    olt.top();
	else olt.bottom();

	olt.f2test();
    }
}