JAVA:实现一个Point类该类包含表示坐标的两个int型变量x、y，构造方法Point()和Point(int xx, int yy),返回x值和y值的int getX()和int getY()-JAVA: This class implements a Point class that contains the coordinates of two int variables x, y, constructor Point () and Point (int xx, int yy), return x and y values ​ ​ int getX () and int getY ()