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關於JDK5交通燈模擬控制系統

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為了方便廣大程序猿交流和學習,下面小編準備了關於JDK5交通燈模擬控制系統,歡迎大家參考!

關於JDK5交通燈模擬控制系統

本系統由 , , 和組成。

package fic;

public enum Lamp {

//前進 ,左拐 ,右拐

S2N("N2S","S2W",false), S2W("N2E","E2W",false), S2E(null,null,true),

E2W("W2E","E2S",false), E2S("W2N","S2N",false), E2N(null,null,true),

N2S(null,null,false) , N2E(null,null,false), N2W(null,null,true),

W2E(null,null,false) , W2N(null,null,false), W2S(null,null,true);

String opposite;

String next;

boolean lighted;

//構造函數:初始化當前燈

private Lamp(String opposite,String next,boolean lighted){

site = opposite;

= next;

ted = lighted;

}

//返回當前燈的狀態

public boolean isLighted(){return lighted;}

public void light(){

ted = true;

if(opposite != null){

eOf(opposite)。light();

}

tln(name() + "is Green. Soon there will be cars crossed the street at six deractions.");

}

public Lamp blackout(){

//關閉當前燈 : 設為false

ted = false;

Lamp nextLamp = null;

if(opposite != null){eOf(opposite)。blackout();}

//檢查下一個燈並啟動它

if(next != null){

nextLamp = eOf(next);

tln(name() + " to the " + next + " 's light is Green.");

t();

}

return nextLamp;

}

}

package fic;

import utors;

import Unit;

public class LampController {

private Lamp currentLamp;

public LampController(){

currentLamp = Lamp.S2N;

t();

//啟動一個線程 : 每十秒將當前燈設置為紅

cheduledThreadPool(1)。scheduleAtFixedRate(

new Runnable() {

public void run() {

currentLamp = kout();

}

},

10,

10,

NDS

);

}

}

package fic;

import ;

import yList;

import om;

import utors;

import Unit;

public class Road {

private String name;

private List vehicles = new ArrayList();

public Road(String name){

= name;

//模擬車輛不斷隨機上路的過程

ingleThreadExecutor()。execute(new Runnable() {

public void run() {

for(int i = 0 ; i < 1000 ;i++){

try {

p((new Random()。nextInt(10) + 1) * 1000);

} catch (InterruptedException e) {

tStackTrace();

}

( + "_" + i);

}

}

});

//每隔一秒檢查對應的'燈是否為綠,如果是 ,則放行一輛車,具體操作為從vehicles集合中移除第一輛車。

cheduledThreadPool(1)。scheduleAtFixedRate(

new Runnable() {

public void run() {

if(() > 0){

if(eOf()。isLighted()){

tln(ve(0) + " is traversing");

}

}

}

},

1,

1,

NDS);

}

}

最後在Main方法中啟動系統:public static void main(String[] args) {

String[] deractions = {"S2N","S2W","E2W","E2S","N2S","N2E","W2E","W2N","S2E","E2N","N2W","W2S"};

//模擬十二條方向的路線

for(int i = 0 ; i < th; i++){

new Road(deractions[i]);

}

//啟動交通燈控制器

new LampController();

}