Training-/InterfaceDemo.java at main · ShraddhaPawar05/Training- · GitHub

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// interface A {
//     public void greeting1();
// }

// interface B {
//     public void greeting2();
// }

// class C implements A,B {
//     public void greeting1() {
//         System.out.println("Hello from 1");
//     }

//     public void greeting2() {
//         System.out.println("Hello from 2");
//     }
// }

// public class InterfaceDemo {
//     public static void main(String[] args) {
//         C obj = new C();

//         obj.greeting1();
//         obj.greeting2();
//     }
// }


interface Line {
    public void Line1();

}

interface Polygon extends Line{
    public void Polygon1();
    public void Line1();
}

class C implements Polygon{
    public void Line1() {
        System.out.println("Line");
    }

    public void Polygon1() {
        System.out.println("Polygon");
    }
}

public class InterfaceDemo {
    public static void main(String[] args) {
        C obj = new C();

        obj.Line1();
        obj.Polygon1();
    }
}