设计平面直角坐标系下的Point类：

Question

定义相应的字段和方法，具体字段和方法见下表。要求：在主方法中创建两个Point类的对象，调用各方法完成设置两点坐标、计算两点间距离、屏幕打印点坐标信息等功能。 

Answer 1

public class Point {
    private int x;
    private int y;
    
    public Point() {
    }
    
    public Point(int x, int y) {
        this.x = x;
        this.y = y;
    }
    
    public int getX() {
        return x;
    }
    
    public void setX(int x) {
        this.x = x;
    }
    
    public int getY() {
        return y;
    }
    
    public void setY(int y) {
        this.y = y;
    }
    
    public double getDistance(Point another) {
        int xDiff = this.x - another.x;
        int yDiff = this.y - another.y;
        return Math.sqrt(xDiff * xDiff + yDiff * yDiff);
    }
    
    public void print() {
        System.out.println("(" + x + "," + y + ")");
    }
}

主程序

public static void main(String[] args) {
    Point p1 = new Point(3, 4);
    Point p2 = new Point(5, 6);
    
    System.out.println("点1的坐标为：");
    p1.print();
    System.out.println("点2的坐标为：");
    p2.print();
    
    double distance = p1.getDistance(p2);
    System.out.println("两点间距离为：" + distance);
}