package com.aff.statics;

public class TestCircle {

    public static void main(String[] args) {

        Circle c1 = new Circle(2.0);

        Circle c2 = new Circle(2.2);

        System.out.println(Circle.getTotal());

        Circle.show();

        c1.setInfo("小圆-->效原");

        Circle.show();

        c2.show();

    }

}

class Circle {

    private double radius;// 半径

    private static String info = "效原";

    private static int total = 0;// 因为total是static的，在内存中独一份，所以可以用来记录创建的对象的个数

    public Circle(double radius) {

        super();

        this.radius = radius;

        total++;

    }

    public double getRadius() {

        return radius;

    }

    public void setRadius(double radius) {

        this.radius = radius;

    }

    public static String getInfo() {

        return info;

    }

    public static void setInfo(String info) {

        Circle.info = info;

    }

    public static int getTotal() {

        return total;

    }

    public static void setTotal(int total) {

        Circle.total = total;

    }

    public static void show() {

        System.out.println(info);

    }

    @Override

    public String toString() {

        return "Circle [radius=" + radius + "]";

    }

}