March 20, 2013

#1188: Bonding

class Ball extends Throwable {}

class P {

P target;

P(P target) { 

    this.target = target;

}

void aim(Ball ball) { 

    try { 

        throw ball; 

    }

    catch (Ball b) { 

        target.aim(b);

    }

}

public static void main(String[] args) { 

    p parent = new P(null);

    p child = new P(parent);

    parent.target = child; 

    parent.aim(new Ball());

}

}