//More About Interface in Java

interface interDemo {
    final static int A = 25;

    public abstract void fun1();

    public abstract void fun2();

    public static void fun3() {
        System.out.println("I am Fun-3");
    }

    private void fun6() {
        System.out.println("Fun-6");
    }

    default void fun5() {
        System.out.println("Fun-5");
    }
}

interface interDemo2 extends interDemo {
    void fun4();
}

class TestInter implements interDemo2 {

    @Override
    public void fun1() {
        System.out.println("Fun-1");
    }

    @Override
    public void fun2() {
        System.out.println("Fun-2");
    }

    @Override
    public void fun4() {
        System.out.println("Fun-4");
    }
}

public class App {
    public static void main(String[] args) {
        System.out.println("A : " + interDemo.A);
        interDemo.fun3();
    }
}