java程序设计实验报告"继承与多态

2021-02-25 05:13:15 字数 692 阅读 3690

1楼:匿名用户

package myshape;

public class test

}abstract class shapeclass point extends shape implements printable

public point ()

@override

public float getcir()@override

public float getarea()public int getx()

public void setx(int x)public int gety()

public void sety(int y)@override

public void printitmyway()}class circle extends point implements printable

public circle(float r,int x, int y )

}public float getr()

public void setr(float r)@override

public float getarea()@override

public float getcir()@override

public void printitmyway()}inte***ce printable