fight for java

呵呵，这个比计算机图形学好多了~~

开卷，考的东西全都是oo形式，而且ms都很熟悉，嘿嘿

show an example

interface Monster{

            void menace();

}

interface DangerousMonster extends Monster {

           void destroy();

}

interface Lethal{

           void kill ();

}

class DragnoZilla implements DangerousMonster {

           public void menace ();

           public void destroy();

}

......