agony·

摘要： class Circle{double radius;Circle(double r){radius=r;}double computerArea(){return 3.14*radius*radius;}void setRadius(double newRadius){radius=newRadius;}double getRadius(){return radius;}}class Cone{Circle bottom;double height;Cone(Circle c,double h){bottom=c;height=h;}double computerVolume(){doubl 阅读全文

摘要： class Jerry{int leg;Jerry (int n){leg=n;}void setLeg(int n){leg=n;}int getLeg(){return leg;}}class Tom{void f(Jerry mouse){mouse.setLeg(12);System.out.println("在执行f时,参数mouse修改了自己的leg的值");System.out.println("当前参数mouse的成员leg的值: "+mouse.getLeg());mouse.setLeg(12);}}public class Exam 阅读全文