abstract class A {
abstract void methodA();
}
abstract class B {
abstract void methodB();
}
class C extends A {
@Override
void methodA() {
System.out.println("extends A's method");
}
B getB() {
return new B() {
@Override
void methodB() {
System.out.println("extends B's method");
}
};
}
}
public class MultiImplementation {
public void doA(A a) {
a.methodA();
}
public void doB(B b) {
b.methodB();
}
public static void main(String[] args) {
MultiImplementation mi = new MultiImplementation();
C c = new C();
mi.doA(c);
mi.doB(c.getB());
}
}