JAVA线程池样例

主要抄了三种：

newSingleThreadExecutor

newCachedThreadPool()

newFixedThreadPool(int)

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package demo.thread;import java.util.concurrent.ExecutorService;import java.util.concurrent.Executors;public class ThreadMain {public static void main(String[] args) throws Exception {ExecutorService sexecutor = Executors.newSingleThreadExecutor();for (int i = 0; i < 5; i++) {final int no =i;Runnable runnable = new Runnable() {public void run() {try {System.out.println("Single executor into " + no);Thread.sleep(1000L);System.out.println("Single executor end " + no);} catch (InterruptedException e) {e.printStackTrace();}}};sexecutor.execute(runnable);}sexecutor.shutdown();ExecutorService cexecutor = Executors.newCachedThreadPool();for (int i = 0; i < 20; i++) {final int no =i;Runnable runnable = new Runnable() {public void run() {try {System.out.println("Cached executor into " + no);Thread.sleep(1000L);System.out.println("Cached executor end " + no);} catch (InterruptedException e) {e.printStackTrace();}}};cexecutor.execute(runnable);}cexecutor.shutdown();ExecutorService fexecutor = Executors.newFixedThreadPool(5);for (int i = 0; i < 20; i++) {final int no =i;Runnable runnable = new Runnable() {public void run() {try {System.out.println("Fixed executor into " + no);Thread.sleep(1000L);System.out.println("Fixed executor end " + no);} catch (InterruptedException e) {e.printStackTrace();}}};fexecutor.execute(runnable);}fexecutor.shutdown();System.out.println("The main thread end.");}}

原文链接