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RunnableExample.java
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114 lines (97 loc) · 3.19 KB
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package example.ThreadExample;
/**
* 賽馬例子實作 thread
*
* Reference
* - https://litotom.com/java-thread-runnable/
* - https://litotom.com/java-threading-3-horses/
*/
public class RunnableExample {
public static void main(String[] args) throws InterruptedException {
// racing 1
// racing1();
// racing 2
// racing2();
//
sleepThreadExample();
}
/**
* 賽馬比賽1
*/
public static void racing1() {
HourseRacing hr1 = new HourseRacing("Hourse 1");
HourseRacing hr2 = new HourseRacing("Hourse 2");
HourseRacing hr3 = new HourseRacing("Hourse 3");
Thread t1 = new Thread(hr1);
Thread t2 = new Thread(hr2);
Thread t3 = new Thread(hr3);
t1.start();
t2.start();
t3.start();
System.out.println("main executing ending.");
}
/**
* 賽馬比賽2: using join()
*
* Reference
* - https://litotom.com/java-threading-3-horses/
*/
public static void racing2() {
// 希望 "main executing ending." 執行後顯示
HourseRacing h1 = new HourseRacing("Hourse 1");
HourseRacing h2 = new HourseRacing("Hourse 2");
HourseRacing h3 = new HourseRacing("Hourse 3");
Thread t1 = new Thread(h1);
Thread t2 = new Thread(h2);
Thread t3 = new Thread(h3);
t1.start();
t2.start();
t3.start();
try {
//! 使用join() 可確保 3 threads 執行完成後，才會執行 main執行續結束!!
t1.join();
t2.join();
t3.join();
} catch (Exception e) {
System.out.println("執行續被中斷!!");
}
System.out.println("main執行續結束!!");
}
public static void racing3() {
for(int i=0; i<4; i++) {
}
}
/**
* 每3秒顯示一行資料
*
* Reference
* - https://matthung0807.blogspot.com/2017/09/java-threadsleep.html
*
* @throws InterruptedException
*/
public static void sleepThreadExample() throws InterruptedException {
String messages[] = {
"→ bluewinds:我在香港迪士尼有遇到邱淑貞 和她坐同艘船~搞到最後 我 11/02 21:11",
"推 FackPtt: 就射出來了 11/02 21:12",
"→ bluewinds:們都在看她 沒有人聽解說人員講話~~她本人人超好~~一聽 11/02 21:12",
"推 ZBeta: 就射出來了 11/02 21:13",
"→ bluewinds:到我們是台灣來的 就很開心的和我們合照~~後來去廁所又 11/02 21:12",
"→ sephen: 射出來了 11/02 21:13"
};
for(int i=0; i<messages.length; i++) {
System.out.println(messages[i]);
Thread.sleep(3000);
}
}
}
class HourseRacing implements Runnable {
private String name;
HourseRacing(String name) {
this.name = name;
}
public void run() {
for (int i=0; i<=3; i++) {
System.out.println(name + " is runing " + i + " round.");
}
}
}