摘要：源代码： package yichang; public class Yichang { public static void main(String[] args) { point p1=new point(1,3);point p2=new point(1,2);point p3=new poi 阅读全文

摘要：源代码: interface Volume{public double volume();}interface Area{public double area();} class yuanzhui extends Object implements Area,Volume {private doub 阅读全文

摘要：源代码： package jichen; public class Person { int studentNumber; String gender; String name; String Department; String Major; int score; void setName(){ 阅读全文