public class FixedThreadUtil {
private ExecutorService fixedThreadPool;
private FixedThreadUtil() {
if (fixedThreadPool == null) {
fixedThreadPool = Executors.newFixedThreadPool(20);
}
}
private static FixedThreadUtil instance;
public static FixedThreadUtil getInstance() {
if (instance == null) {
instance = new FixedThreadUtil();
}
return instance;
}
public void executeTask(Runnable runnable) {
fixedThreadPool.execute(runnable);
}
public static void main(String[] args) {
for (int i = 0; i < 100; i++) {
FixedThreadUtil.getInstance().executeTask(new Runnable(){
@Override
public void run() {
System.out.println("test"+Thread.currentThread().getName());
try {
System.out.println("yc-");
Thread.sleep(9000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
});
}
}
}
