package test3;
class Superclass2 {
public int foo() { return 1; }
public int bar() { return 10; }
}
class Superclass3 extends Superclass2 {
public int test() { return foo(); }
public int bar() { return 20; }
}
public class Superclass extends Superclass2 {
public int foo() { return super.foo() + super.bar(); }
}