1
我想知道,是什么之间Executors.newSingleThreadExecutor()和Executors.newFixedThreadPool(1)Executors.newSingleThreadExecutor()和Executors.newFixedThreadPool之间的任何差异(1)
的下方的差从Javadoc中
拾取与其他等效的 newFixedThreadPool(1)返回的 执行程序保证不会被 重新配置为使用其他 线程。
我尝试下面的代码,似乎没有区别。
package javaapplication5;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
*
* @author yan-cheng.cheok
*/
public class Main {
public static void main(String[] args) {
new Main();
}
public Main() {
//ExecutorService threadExecutor = Executors.newSingleThreadExecutor();
ExecutorService threadExecutor = Executors.newFixedThreadPool(1);
threadExecutor.submit(new BadTask());
threadExecutor.submit(new Task());
}
class BadTask implements Runnable {
public void run() {
throw new RuntimeException();
}
}
class Task implements Runnable {
public void run() {
for (int i = 0; i < 100; i++) {
System.out.println("[LIVE]");
try {
Thread.sleep(200);
} catch (InterruptedException ex) {
Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
}
}
最可能出错了我的理解:)
但是,如何调整newFixedThreadPool(1)的线程大小? – 2010-10-12 01:39:42
((ThreadPoolExecutor)newFixedThreadPool(1))。setCorePoolSize(3); – Thilo 2010-10-12 01:42:01