about ThreadFactory
ThreadFactory接口，只有一个public方法 newThread。继承这个接口，可以自己的ThreadFactory，此例为Thread添加一个自己的前缀。
DaemonThreadFactory
/** **/public class DaemonThreadFactory implements ThreadFactory {//private String prefix;private volatile int threadId;/** ** @param prefix */public DaemonThreadFactory(String prefix) {this.prefix = prefix;}/** **/public Thread newThread(Runnable runnable) {Thread r = new Thread(runnable);r.setName(prefix + (threadId++));r.setDaemon(true);return r;}}
接合Executors使用．
例如．Executors.newSingleThreadExecutor(ThreadFactory threadFactory);
ExecutorService executor = Executors.newSingleThreadExecutor(new DaemonThreadFactory());executor.submit(new Runnable() {public void run() {try {//do some thing} catch (Throwable e) {}}});
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