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赛跑java代码 java赛马程序
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java多线程--模拟接力赛跑
import java.util.*;
public class Main {
public static void main(String[] args) {
RunThread run = new RunThread();
for (int i = 1; i = 5; ++i) {
new Thread(run, i + "号选手").start();
}
}
}
class RunThread implements Runnable {
int distance;
@Override
public synchronized void run() {
String name = Thread.currentThread().getName();
System.out.println(name + "拿到接力棒！");
for (int i = 0; i 10; ++i) {
distance += 10;
System.out.println(name + "跑到了" + distance + "米!");
}
}
}
相关问答
Q1: 用JAVA多线程实现龟兔赛跑
程序如下：
/**
*
* GuiTuSaiPao.java
* @author Antonio
* 2009年9月2日20:16:33
* 实现Runnable接口中的run方法
*
*/
public class GuiTuSaiPao implements Runnable {
private String name;
private int length=0;
public GuiTuSaiPao(){}
public GuiTuSaiPao(String name){
this.name=name;
}
public void run(){
while(true){
//每次停500毫秒
try {
Thread.sleep(500);
} catch (InterruptedException e) {
e.printStackTrace();
}
//向前跑十米
length+=10;
System.out.println(name+"已跑了"+length+"米.");
//到达终点
if(length=100){
System.out.println(name+",已经到达终点!");
//结束赛跑,break
break;
}
}
}
public static void main(String[] args) {
GuiTuSaiPao wugui=new GuiTuSaiPao("乌龟");
GuiTuSaiPao tuzi=new GuiTuSaiPao("兔子");
Thread thread=new Thread(wugui);
Thread thread2=new Thread(tuzi);
//启动线程
thread.start();
thread2.start();
}
}
输出结果：（不一定每次都一样！）
乌龟已跑了10米.
兔子已跑了10米.
兔子已跑了20米.
乌龟已跑了20米.
乌龟已跑了30米.
兔子已跑了30米.
兔子已跑了40米.
乌龟已跑了40米.
兔子已跑了50米.
乌龟已跑了50米.
乌龟已跑了60米.
兔子已跑了60米.
乌龟已跑了70米.
兔子已跑了70米.
乌龟已跑了80米.
兔子已跑了80米.
兔子已跑了90米.
乌龟已跑了90米.
兔子已跑了100米.
兔子,已经到达终点!
乌龟已跑了100米.
乌龟,已经到达终点!
完全看rp，这就是线程！
给分吧，哈哈
Q2: java模拟龟兔赛跑问题用多线程实现
import java.util.Date;
public class Test extends Thread{ private int tortoise_walk = 0; // 乌龟已跑长度存放变量
private int rabbit_walk = 0; // 兔子已跑长度存放变量
private int finish = 1000; // 终点
private volatile boolean hasWinner = false;// 胜利者诞生 /**
*
* @ClassName: Tortoise_Run
* @Description: TODO(乌龟奔跑线程)
* @author guotingchao
* @date 2012-3-6 上午10:20:45
*
*/
class Tortoise_Run implements Runnable {
@Override
public void run() {
try {
while (!hasWinner) {
if (tortoise_walk % 100 == 0 (tortoise_walk != 0||tortoise_walk=finish)) { //乌龟每100米休息500毫秒
System.out.println("乌龟休息中………………");
Thread.sleep(500);
}
tortoise_walk++;
System.out.println("乌龟已跑"+tortoise_walk+"米");
}
} catch (InterruptedException e) {
e.printStackTrace();
}
}
} /**
*
* @ClassName: Rabbit_Run
* @Description: TODO(兔子奔跑线程)
* @date 2012-3-6 上午10:25:10
* @author guotingchao
*/
class Rabbit_Run implements Runnable {
@Override
public void run() {
try {
while (!hasWinner) {
if (rabbit_walk % 20 == 0 (rabbit_walk != 0||rabbit_walk=finish)) { //兔子每20米休息500毫秒
System.out.println("兔子休息中………………");
Thread.sleep(500);
}
rabbit_walk=rabbit_walk+5; //每秒跑5步
System.out.println("兔子已跑"+rabbit_walk+"米");
}
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
@Override
public void run(){
new Thread(new Rabbit_Run()).start();
new Thread(new Tortoise_Run()).start();
}
/**
* @Title: main
* @Description: TODO(
* 赛程1000米赛跑java代码，兔子跑5米，乌龟跑1米，兔子每20米休息500毫秒，乌龟每100米休息500毫秒。谁先到终点就结束程序
* ，并显示获胜方。)
* @param @param args
* @param @throws Exception 设定文件
* @author guotingchao
* @return void 返回类型
* @throws
*/
public static void main(String[] args) throws Exception {
long temp_actionTime=System.currentTimeMillis();
System.out.println("比赛开始赛跑java代码："+new Date(temp_actionTime)+"毫秒");
Test t=new Test();
new Thread(t).start();
while(true){
if(t.tortoise_walk=t.finish||t.rabbit_walk=t.finish){
t.hasWinner=true;
break;
}
}
String winnnerName=t.tortoise_walkt.rabbit_walk?"乌龟":"兔子";
long temp_lastTime=System.currentTimeMillis();
System.out.println(winnnerName+"胜利");
System.out.println("比赛结束："+new Date(temp_lastTime)+"毫秒");
System.out.println("所耗时间："+(temp_lastTime-temp_actionTime)+"毫秒");
System.out.println("兔子="+t.rabbit_walk+" 乌龟="+t.tortoise_walk);
}
}
//不知道兔子和乌龟赛跑java代码的步长时间是否按每秒。 这里程序只考虑依次递增频率
Q3: 求龟兔赛跑Java代码
import java.applet;
import java.awt;
class RunningAnimal extends Thread {
int distance;
int speed;
int sleeptime;
int length;
List list;
String name;
public void run() {
while (distance length){
distance+=speed;
try {
sleep(sleeptime);
}
catch (InterruptedException e) {
}
list.addItem(name+":"+distance);
}
list.addItem(name+" arrives.");
}
RunningAnimal(String aname,int alldistance
,int aspeed,int asleeptime,List alist)
{
name=aname;
length=alldistance;
speed=aspeed;
sleeptime=asleeptime;
distance=0;
list=alist;
}
}
public class TestThread extends Applet {
RunningAnimal turtle;
RunningAnimal rabit;
public void init() {
setLayout(new BorderLayout());
List lList=new List();
add("Center",lList);
turtle=new RunningAnimal("Turtle",500,20,20,lList);
turtle.setPriority(7);
turtle.start();
rabit=new RunningAnimal("Rabit",500,300,500,lList);
rabit.setPriority(3);
rabit.start();
}
}
Q4: JAVA编程题龟兔赛跑
class Animal {
public double speed;
public void run(int length) {
System.out.println(length/this.speed);
}
}
class Rabbit extends Animal {
Rabbit(int speed) {
super.speed = speed;
}
@Override
public void run(int length) {
System.out.println("Rabbit time = "+length/this.speed +" seconds");
}
}
class Tortoise extends Animal {
Tortoise(int speed) {
super.speed = speed;
}
@Override
public void run(int length) {
System.out.println("Tortoise time = "+length/this.speed +" seconds");
}
}
public class Match {
public static int length = 100;
private static void begin(Rabbit r,Tortoise t) {
r.run(length);
t.run(length);
}
public static void main(String[] args) {
Rabbit r = new Rabbit(20);
Tortoise t = new Tortoise(5);
begin(r,t);
}
}
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