nestedInterfaces.java

import android.util.Log;

/**
 * Created by jmoralez on 3/17/16.
 */
public class NestedInterfaces {

    public NestedInterfaces() {}

    public void test() {
        One one = new One() {
            @Override
            public void hi(Two two) {
                Log.i("JMO", "hi");
                two.hello(new Three() {
                    @Override
                    public void howdy() {
                        Log.i("JMO", "howdy");
                    }
                });
            }
        };
        one.hi(new Two() {
            @Override
            public void hello(Three three) {
                Log.i("JMO", "hello");
                three.howdy();
            }
        });
    }

    public interface One {
        void hi(Two two);
    }

    public interface Two {
        void hello(Three three);
    }

    public interface Three {
        void howdy();
    }
}