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

摘要：package shiyan;interface Area{public abstract double area();}interface Volume{public abstract double volume();}public class yuanzhui extends Object im 阅读全文

摘要：package homeWork;import java.util.Scanner;import static java.lang.System.exit;public class HomeWork { Object[] objects=new Object[100];//存放数据的地方 publi 阅读全文