package com.animalMatch; /** * 动物奥运会 * @author liuwei * @date 2010-04-29 */ public class Client { public static void main(String[] args) { Runway r = new Runway(100.00) ;//100米赛道 Animal a1 = new Flight("冥界亚龙",1.0); Animal a2 = new Reptiles("影魔",0.6); Animal a3 = new Swimming("鱼人守卫",0.9); Animal a4 = new Reptiles("龙骑士",4.0); Animal a5 = new Reptiles("炸弹人",0.1); Committee o = new Committee(r); o.put(a1); o.put(a2); o.put(a3); o.put(a4); o.put(a5); o.game(); o.output(); } } package com.animalMatch; /** * 抽象动物类 * @author liuwei * */ public abstract class Animal { private String name;//动物的名字 private double value;//动物的翅膀长度，四肢强壮度，尾巴长度 double speed; public Animal(String name, double value) { this.name = name; this.value = value; } public String getName() { return this.name; } public double getValue() { return this.value; } public abstract double getSpeed(); public abstract double time(Runway r); } package com.animalMatch; import java.util.*; import java.text.DecimalFormat; public class Committee { private Runway r; private Map tm1 = new HashMap<Animal,String>(); private TreeMap tm2 = new TreeMap(new Comparator(){ public int compare(Animal o1, Animal o2) { if(o1.time(r) > o2.time(r)) return 1; else return -1; } } ); public Committee(Runway r){ this.r = r ; } public void put(Animal o1) {//报名 this.tm1.put(o1, o1.getName()); } public void game(){//组织比赛 Set keySet = this.tm1.keySet(); for(Animal o:keySet) this.tm2.put(o, o.getName()); } public void output() {//输出 DecimalFormat df1=new DecimalFormat("0"); String as=df1.format(r.getLength()); System.out.println(as+"米赛跑成绩"); int i = 1; Set keySet = this.tm2.keySet(); for(Animal o:keySet){ DecimalFormat df=new DecimalFormat("0.00"); as=df.format(o.time(r)); System.out.println("第"+i+"名: "+o.getName()+ " "+as+"秒"); i++; } } } package com.animalMatch; /** 本文来源：https://www.wddqw.com/doc/fd714817866fb84ae45c8d00.html