java交通灯

① 求文件中实现交通灯例子设计2的java全代码，

应该是模拟交通灯吧。它肯定不会是写交通灯的实际应用程序
import java.awt.event.*;

public class JiaoTong extends Frame {
boolean redStatus=false,greenStatus=false,yellowStatus=false;
int j=0;
public void paint(Graphics g) {
Color c=g.getColor();
if(redStatus==true)
{j++;
g.setColor(Color.RED);
g.fillOval(100,50, 50,50);
g.drawString("红灯亮了"+j+"秒", 100, 120);
}
else
{
g.setColor(Color.BLACK);
g.fillOval(100,50, 50,50);
}

if(yellowStatus==true){
j++;
g.setColor(Color.YELLOW);
g.fillOval(100, 150, 50, 50);
g.drawString("黄灯注意啦"+j+"秒", 100, 220);
}
else
{
g.setColor(Color.BLACK);
g.fillOval(100, 150, 50, 50);

}
if(greenStatus==true){
j++;
g.setColor(Color.GREEN);
g.fillOval(100, 250, 50, 50);
g.drawString("绿灯行"+j+"秒", 100, 320);
}
else
{
g.setColor(Color.BLACK);
g.fillOval(100, 250, 50, 50);
}
g.setColor(c);
}

public void Lauch() {
setTitle("交通灯指示");
setSize(300, 400);
setBackground(Color.BLACK);
addWindowListener(new WindowAdapter() {

public void windowClosing(WindowEvent e) {
System.exit(0);
}

});

setVisible(true);

new Thread(new PaintThread()).start();
}

public static void main(String[] args) {
JiaoTong a=new JiaoTong();
a.Lauch();

}

public class PaintThread implements Runnable
{

public void run() {
for(int i=0;i<80;i++){
switch (i) {
case 0:
j=0;
redStatus=true;
greenStatus=false;
yellowStatus=false;
break;
case 40:
j=0;
redStatus=false;
greenStatus=false;
yellowStatus=true;
break;
case 50:
j=0;
redStatus=false;
greenStatus=true;
yellowStatus=false;
break;
default:
break;
}
repaint();
if(i==79)
i=-1;
try
{
Thread.sleep(1000);

}
catch(InterruptedException e)
{
e.printStackTrace();
}
}

}

}

}

② java 红绿灯 代码

给程序一个变量tag 用来记录按键次数~~

tag%2==0时为绿
tag%2==1时为红
tag%2==2时为黄

③ java控制红绿灯及模拟车辆运动

写两个程序分别模拟红绿灯和汽车：
1）红绿灯程序以报文形式通知汽车程序；
2）汽车程序需要用多线程来实现。
3）红绿灯程序用个循环，每隔n分钟红绿灯转换，同时通知汽车程序；

④ Java红绿灯 求大神！！急啊

importjava.awt.Color;
importjava.awt.Container;
importjava.awt.Dimension;
importjava.awt.FlowLayout;
importjava.awt.Graphics;
importjava.awt.event.ActionEvent;
importjava.awt.event.ActionListener;
importjavax.swing.JButton;
importjavax.swing.JFrame;
importjavax.swing.JPanel;
publicclassWayextendsJPanel{
JButtonred;
publicWay(){
red=newJButton("换灯");
setBackground(Color.yellow);
setSize(newDimension(320,260));
setPreferredSize(newDimension(320,260));
JPanelbtnPanel=newJPanel();
btnPanel.setLayout(newFlowLayout());
red.setLayout(newFlowLayout());//将单选按钮加入按钮面板
btnPanel.add(red);
add(red);
}
privatevoidlightRed(Graphicsg){
g.setColor(Color.red);
g.fillOval(getWidth()/2,30,15,15);
g.setColor(Color.black);
g.fillOval(getWidth()/2,50,15,15);
g.fillOval(getWidth()/2,70,15,15);
}
privatevoidlightYellow(Graphicsg){
g.setColor(Color.yellow);
g.fillOval(getWidth()/2,50,15,15);
g.setColor(Color.black);
g.fillOval(getWidth()/2,30,15,15);
g.fillOval(getWidth()/2,70,15,15);
}
privatevoidlightGreen(Graphicsg){
g.setColor(Color.green);
g.fillOval(getWidth()/2,70,15,15);
g.setColor(Color.black);
g.fillOval(getWidth()/2,30,15,15);
g.fillOval(getWidth()/2,50,15,15);
}
protectedvoidpaintComponent(Graphicsg){
super.paintComponents(g);
Waya=newWay();
g.clearRect(0,0,getWidth(),getHeight());
g.drawRect(getWidth()/2,30,30,80);
red.addActionListener(newActionListener(){
intf1=0;
publicvoidactionPerformed(ActionEvente){
Graphicsg=getGraphics();
switch(f1){
case0:
a.lightRed(g);
break;
case1:
a.lightYellow(g);
break;
case2:
a.lightGreen(g);
break;
}
f1++;
if(f1>2)f1=0;
};
});
}
publicstaticvoidmain(String[]args){
JFramefr=newJFrame("邮件界面模拟");
fr.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//点击x结束程序
ContainercontentPane=fr.getContentPane();
//得到窗口内容面板
contentPane.add(newWay());
fr.pack();
fr.setVisible(true);//设置窗口可见
}
}

⑤ 求java交通灯源代码

sadadad

⑥ 用java编写交通信号灯

按照你的要求编写的红绿灯程序，你看看吧，比较简单。
完整的程序如下：
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.awt.Graphics;
public class TrafficLight extends JFrame{
JRadioButton jrbYellow,jrbGreen,jrbRed;
int flag=0;
jpNewPanel jpNewPanel;
public static void main(String[] args){
TrafficLight frame=new TrafficLight();
frame.setSize(500,200);
frame.setLocationRelativeTo(null);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setTitle("TrafficLight");
frame.setVisible(true);
}
public TrafficLight(){
jpNewPanel=new jpNewPanel();
add(jpNewPanel,BorderLayout.CENTER);
JPanel jpRadioButtons=new JPanel();
jpRadioButtons.setLayout(new GridLayout(1,3));
jpRadioButtons.add(jrbYellow=new JRadioButton("Yellow"));
jpRadioButtons.add(jrbGreen=new JRadioButton("Green"));
jpRadioButtons.add(jrbRed=new JRadioButton("Red"));
add(jpRadioButtons,BorderLayout.SOUTH);
ButtonGroup group=new ButtonGroup();
group.add(jrbYellow);
group.add(jrbGreen);
group.add(jrbRed);

jrbYellow.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
flag=2;
jpNewPanel.repaint();
}
});
jrbGreen.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
flag=1;
jpNewPanel.repaint();
}
});
jrbRed.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
flag=3;
jpNewPanel.repaint();
}
});
}
class jpNewPanel extends JPanel{
protected void paintComponent(Graphics g){
super.paintComponent(g);
g.drawRect(0,0,40,100);
g.drawOval(10,10,20,20);
g.drawOval(10,40,20,20);
g.drawOval(10,70,20,20);
if(flag==1){
g.setColor(Color.GREEN);
g.fillOval(10, 70, 20, 20);
}
else if(flag==2){
g.setColor(Color.YELLOW);
g.fillOval(10, 40, 20, 20);
}
else if(flag==3){
g.setColor(Color.RED);
g.fillOval(10, 10, 20, 20);
}
}
}
}

⑦ 请问如何用JAVA多线程写一个红黄绿依次亮的交通灯程序

import java.awt.*;
import java.awt.event.*;

public class JiaoTong extends Frame {
boolean redStatus=false,greenStatus=false,yellowStatus=false;
int j=0;
public void paint(Graphics g) {
Color c=g.getColor();
if(redStatus==true)
{j++;
g.setColor(Color.RED);
g.fillOval(100,50, 50,50);
g.drawString("红灯亮了"+j+"秒", 100, 120);
}
else
{
g.setColor(Color.BLACK);
g.fillOval(100,50, 50,50);
}

if(yellowStatus==true){
j++;
g.setColor(Color.YELLOW);
g.fillOval(100, 150, 50, 50);
g.drawString("黄灯注意啦"+j+"秒", 100, 220);
}
else
{
g.setColor(Color.BLACK);
g.fillOval(100, 150, 50, 50);

}
if(greenStatus==true){
j++;
g.setColor(Color.GREEN);
g.fillOval(100, 250, 50, 50);
g.drawString("绿灯行"+j+"秒", 100, 320);
}
else
{
g.setColor(Color.BLACK);
g.fillOval(100, 250, 50, 50);
}
g.setColor(c);
}

public void Lauch() {
setTitle("交通灯指示");
setSize(300, 400);
setBackground(Color.BLACK);
addWindowListener(new WindowAdapter() {

public void windowClosing(WindowEvent e) {
System.exit(0);
}

});

setVisible(true);

new Thread(new PaintThread()).start();
}

public static void main(String[] args) {
JiaoTong a=new JiaoTong();
a.Lauch();

}

public class PaintThread implements Runnable
{

public void run() {
for(int i=0;i<80;i++){
switch (i) {
case 0:
j=0;
redStatus=true;
greenStatus=false;
yellowStatus=false;
break;
case 40:
j=0;
redStatus=false;
greenStatus=false;
yellowStatus=true;
break;
case 50:
j=0;
redStatus=false;
greenStatus=true;
yellowStatus=false;
break;
default:
break;
}
repaint();
if(i==79)
i=-1;
try
{
Thread.sleep(1000);

}
catch(InterruptedException e)
{
e.printStackTrace();
}
}

}

}

}

⑧ java交通灯问题

网上找个参考import java.awt.*;
import java.awt.event.*;

public class JiaoTong extends Frame {
boolean redStatus=false,greenStatus=false,yellowStatus=false;
int j=0;
public void paint(Graphics g) {
Color c=g.getColor();
if(redStatus==true)
{j++;
g.setColor(Color.RED);
g.fillOval(100,50, 50,50);
g.drawString("红灯亮了"+j+"秒", 100, 120);
}
else
{
g.setColor(Color.BLACK);
g.fillOval(100,50, 50,50);
}

if(yellowStatus==true){
j++;
g.setColor(Color.YELLOW);
g.fillOval(100, 150, 50, 50);
g.drawString("黄灯注意啦"+j+"秒", 100, 220);
}
else
{
g.setColor(Color.BLACK);
g.fillOval(100, 150, 50, 50);

}
if(greenStatus==true){
j++;
g.setColor(Color.GREEN);
g.fillOval(100, 250, 50, 50);
g.drawString("绿灯行"+j+"秒", 100, 320);
}
else
{
g.setColor(Color.BLACK);
g.fillOval(100, 250, 50, 50);
}
g.setColor(c);
}

public void Lauch() {
setTitle("交通灯指示");
setSize(300, 400);
setBackground(Color.BLACK);
addWindowListener(new WindowAdapter() {

public void windowClosing(WindowEvent e) {
System.exit(0);
}

});

setVisible(true);

new Thread(new PaintThread()).start();
}

public static void main(String[] args) {
JiaoTong a=new JiaoTong();
a.Lauch();

}

public class PaintThread implements Runnable
{

public void run() {
for(int i=0;i<80;i++){
switch (i) {
case 0:
j=0;
redStatus=true;
greenStatus=false;
yellowStatus=false;
break;
case 40:
j=0;
redStatus=false;
greenStatus=false;
yellowStatus=true;
break;
case 50:
j=0;
redStatus=false;
greenStatus=true;
yellowStatus=false;
break;
default:
break;
}
repaint();
if(i==79)
i=-1;
try
{
Thread.sleep(1000);

}
catch(InterruptedException e)
{
e.printStackTrace();
}
}

}

}

}

⑨ 请帮我看下这个JAVA的程序(简易红绿灯)

发现你的程序窗体大小每改变一次，都会加上三个RadioButtons。

⑩ java web jsp 如何实现交通灯

用定时器，根据时间变化对“灯”的背景颜色进行改变就可以