人机猜拳：
public class Computer {
String name="电脑";
int score=0;
public int showFist(){
int show=(int)(Math.random()*10)%3+1;
switch(show){
case 1:
System.out.println(name+"出拳：剪刀");
break;
case 2:
System.out.println(name+"出拳：石头");
break;
case 3:
System.out.println(name+"出拳：布");
break;
}
return show;
}
}
import java.util.*;
/**
*
* @author student
*
*/
public class Person {
String name="匿名";
int score=0;
public int showFist(){
System.out.println("请猜拳(1-剪刀，2-石头， 3-布(请选择:))");
Scanner in=new Scanner(System.in);
int show=in.nextInt();
switch(show){
case 1:
System.out.println(name+"出拳：剪刀");
break;
case 2:
System.out.println(name+"出拳：石头");
break;
case 3:
System.out.println(name+"出拳：布");
break;
}
return show;
}
}
import java.util.*;
/**
*
* @author
*
*/
public class Game {
Person person;
Computer computer;
int count; //局数
public void initial(){
person=new Person();
computer=new Computer();
count=0;
}
public void startGame(){
System.out.println("*欢迎进入人机猜拳*");
System.out.println("***************");
System.out.println("****猜拳开始****");
System.out.println("***************");
System.out.println("出拳规则：1.剪刀，2.石头，3.布");
Scanner in=new Scanner(System.in);
System.out.print("请选择对方角色:（1.刘备，2.孙权，3.曹操）");
int computerName=in.nextInt();
System.out.print("请输入您的名字");
person.name=in.next();
switch(computerName){
case 1:
computer.name="刘备";
break;
case 2:
computer.name="孙权";
break;
case 3:
computer.name="曹操";
break;
}
System.out.println(computer.name+"VS"+person. name+" ");
System.out.println("是否开始游戏(y/n)?");
String con=in.next();
while(con.equals("y")){
int perShow=person.showFist();
int comShow=computer.showFist();
if(perShow==comShow){
System.out.println("平局，再加把劲
吧！");
count++;
}else if(
perShow==1&&comShow==2||
perShow==2&&comShow==3||
perShow==3&&comShow==1
){
System.out.println("笨哦！你输了！");
computer.score++;
count++;
}else if(
perShow==2&&comShow==1||
perShow==3&&comShow==2||
perShow==1&&comShow==3){
System.out.println("恭喜！你赢了！");
person.score++;
count++;
}
System.out.println("是否开始下一轮？y/n");
con = in.next();
}
System.out.println(computer.name + " VS " +
person.name);
System.out.println("对战次数：" + count);
if (computer.score > person.score){
System.out.println("结果：*-*，你输了啊，嘿
嘿！！");
} else if (
computer.score == person.score) {
System.out.println("结果：*……*，唉！平局啊，好，下次再一决高下！！拜拜");
} else {
System.out.println("结果：居然让你小子赢了！！再来再来！！");
}
}
}
public class Test {
/**
* @param args
*/
public static void main(String[] args) {
Game game=new Game();
game.initial();
game.startGame();
}
}