package lianxi1;class Circle{    int radius;    public int getRadius(){        return radius;    }    public void setRadius(int radius){        this.radius = radius;    }    public double findArea(int radius){        return Math.PI*radius*radius;    }    public void printCl(){           System.out.println("可以打印");       }}public class PassObject {        //打印1到time的整数半径值，和对应面积    public void printAreas(Circle c,int time){        int i=1;        while(i<=time){            c.setRadius(i);            System.out.println("i="+c.getRadius()+"\t\t Area="+c.findArea(i));            i++;        }        c.setRadius(i);    }    public static void main(String[] args) {        PassObject po = new PassObject();        Circle c = new Circle();        po.printAreas(c, 5);        System.out.println("radius="+c.getRadius());        //匿名类的使用        //1. 用new Circle()设置半径以后，不能再用getRadius打印出该半径。        po.printAreas(new Circle(), 8);        new Circle().printCl();        new Circle().setRadius(3);        System.out.println("radius="+new Circle().getRadius());    }}