Java-Course/annotations.java at main · aayan-rashid/Java-Course · GitHub

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class one
{
    public void show()
    {
        System.out.println("in one show");
    }

    public void conf()
    {
        System.out.println("in A conf");
    }
}

class two extends one
{
    @Override
    public void show()
    {
        System.out.println("in two show");
    }
}

@FunctionalInterface
interface A
{
    void showA();

    // functionalinterface will have only one method
    // void showA2();
}


class three implements A
{
    public void showA()
    {
        System.out.println("in A show");
    }
}
@FunctionalInterface
interface B
{
    void showB();
}


public class annotations {
    public static void main(String[] args) {

        one obj = new two();
        obj.show();
        obj.conf();

        three obj1 = new three();
        obj1.showA();

        B obj2 = new B() {
            public void showB()
            {
                System.out.println("in interface B");
            }
        };
        obj2.showB();


    }
}