自己写的交通灯管理系统求指教 - 黑马程序员技术交流社区

package com.tra.a;
/**
* 灯的开关
* @author Administrator
*
*/
public class lamp {
/*
*因为整个系统只有一个灯控制，所以用S2N表示，ture表示s2n为绿灯
*/
private boolean flag;
public lamp(boolean flag) {
// TODO Auto-generated constructor stub
this.flag=flag;
}
public void changelamp(){
if(this.flag) flag=false;
else flag=true;
}
public boolean getlamp(){
return this.flag;
}
}

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package com.tra.a;
import java.util.Timer;
import java.util.TimerTask;
import com.tra.*;
public class LampController {
static lamp l=new lamp(true);
public boolean checklamp(){
return l.getlamp();
}
public void changelamp(){
Timer timer =new Timer();
timer.schedule(new TimerTask(){
public void run(){
l.changelamp();
if(l.getlamp()==true) System.out.println("s2n绿灯亮");
else System.out.println("s2n绿灯不亮");
}
}, 1000,1000*10);
}
}

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package com.tra.a;
import java.util.LinkedList;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;
import java.util.concurrent.ThreadLocalRandom;
public class Road {
String[] road={"s2e","e2n","n2w","w2s","s2n","n2s","s2w","n2e","w2e","e2w","w2s","w2n"};
private List<Integer>[] list = new List[12];
LampController lc=new LampController();
public void init(){
for(int i=0;i<12;i++){
list[i]=new LinkedList<Integer>();
}
lc.changelamp();
}
public void onroad(){
init();
final Timer timer=new Timer();
timer.schedule(new TimerTask(){
int k=0;
public void run(){
ThreadLocalRandom rand=ThreadLocalRandom.current();
int r=rand.nextInt(1,11);
int c=rand.nextInt(10000,99999);
list[r].add(c);
int s=list[r].size();
System.out.println("方向为 "+road[r]+"路上行来一辆号码为 "+c+"的车 "+"共"+s+"辆在排队");
k++;
//if(k==3) timer.cancel();
}
}, 0,1000);
}
public void outroad(){
Timer timer1=new Timer();
timer1.schedule(new TimerTask(){
public void run(){
boolean lamp=lc.checklamp();
for(int i=0;i<4;i++){
int kk=list[i].size();
for(int j=0;j<kk-2;j++){
System.out.println("车牌号为"+list[i].get(j)+"的车从"+road[i]+"的路上行驶过");
list[i].remove(j);
}
}
if(lamp){
for(int i=3;i<7;i++){
int kk=list[i].size();
for(int j=0;j<kk-2;j++){
System.out.println("车牌号为"+list[i].get(j)+"的车从"+road[i]+"的路上行驶过");
list[i].remove(j);
}
}
}
else{
for(int i=7;i<12;i++){
int kk=list[i].size();
for(int j=0;j<kk-2;j++){
System.out.println("车牌号为"+list[i].get(j)+"的车从"+road[i]+"的路上行驶过");
list[i].remove(j);
}
}
}
}
}, 10000,2000);
}
}

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package com.tra.a;
import com.tra.*;
public class Main {
public static void main(String[] args){
Road r=new Road();
r.onroad();
r.outroad();
}
}

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