Contoh Create Object Dalam Passing Parameter Java

package javaapplication3;

interface Bilik {

    String nama();
}

public class Rumah {

    private void Print(Bilik a) {
        System.out.println(a.nama() + " hai");
    }

    public static void main(String[] args) {
        Rumah a = new Rumah();
        a.Print(new Bilik() {

            public String nama() {
                return "hai";
            }
        }
        ); // Output hai hai

    }

}