[偷可] test

[fate9243 (大ing)]

class CRectangle
{
        private int length;
        private int width;

        private void show()
        {
                System.out.println("length= :"+length);
                System.out.println("width= :"+width);
        }
        public CRectangle()
        {
                length=2;
                width=2;
        }
        public CRectangle(int l,int w)
        {
                length=l;
                width=w;
        }
}
class CData extends CRectangle
{
        public CData(int l,int w)
        {
                super(l,w);
        }
        CData()
        {
                super();
        }
        void area()
        {
                super.show();
                System.out.println("area="+super.length*super.width);
        }
}
public class fate
{
        public static void(String args[])
        {
                CData obj1=new CData(3,8);
                CData obj2=new CData();
                obj1.area();
                obj2.area();
        }
}

好累= =


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