interface Robot { void show(); //No need to use public abstract(our choice) in interface & //If we declare a variable in interface it becomes constant. } class Chitti implements Robot { public void show() { System.out.println(" Hi! My Name is Chitti"); System.out.println("Speed - 1Tera Byte , Memory - 1Zeta Byte"); } } public class InterfaceSimp { public static void main(String[] args) { Robot obj = new Chitti(); obj.show(); } }