java编程 定义一个类Point，代表一个点，public属性有x和y，方法有显示点坐标 show（），构造函数有两

文件MyPoint.java public class MyPoint{ public double x,y; public MyPoint(){ x = 0.0; y = 0.0; } public MyPoint(double x,double y){ this.x = x; this.y = y; } public void show(){ System.out.println("(&