Java练习题8

public class Circle {double x;double y;double radius;Circle(){x=1.0;y=1.0;radius=1.0;System.out.println(("c1的圆心为"+"("+x+","+y+")"+"c1的半径为"+radius));}Circle(double xx,double yy,double rr){x=xx;y=yy;radius=rr;System.out.println(("c2的圆心为"+"("+x+","+y+")"+"c2的半径为"+radius));}void Test(Circle c1,Circle c2){if(c1.x==c2.x&&c1.y==c2.y&&c1.radius==c2.radius)System.out.println("c1与c2重叠。");elseSystem.out.println("c1与c2不重叠。");}}public class Test8 {public static void main(String[] args) {Circle c1=new Circle();Circle c2=new Circle(1.0,1.0,1.0);c1.Test(c1,c2);}}