abstract class demo { void play() { System.out.println("hello"); }

void play2()
    {
        System.out.println("hi there");
    }

} class abs extends demo { public static void main(String[]args) { abs obj=new abs(); demo obj2=new demo(){};/tell about this line what does this mean try and explain quickly....\ obj2.play(); obj.play(); obj2.play2(); obj.play2(); } } please tell about the line demo obj=new demo(){}; what does this signify in the above program