public class ThreadPoolExecutorTest {
public static void main(String[] args ) {
ExecutorService cacheThreadPool =Executors.newCachedThreadPool();
for(int i =1;i<=5;i++){
final int index=i ;
try{
Thread.sleep(1000);
}catch(InterruptedException e ) {
e.printStackTrace();
}
cacheThreadPool.execute(new Runnable(){
@Override
public void run() {
System.out.println("第" +index +"个线程" +Thread.currentThread().getName());
}
});
}
}
}
//输出结果
第1个线程pool-1-thread-1
第2个线程pool-1-thread-1
第3个线程pool-1-thread-1
第4个线程pool-1-thread-1 第5个线程pool-1-thread-1
public class ThreadPoolExecutorTest {
public static void main(String[] args) {
ExecutorService fixedThreadPool =Executors. newFixedThreadPool(3);
for (int i =1; i<=5;i++){
final int index=i ;
fixedThreadPool.execute(new Runnable(){
@Override
public void run() {
try {
System.out.println("第" +index + "个线程" +Thread.currentThread().getName());
Thread.sleep(1000);
} catch(InterruptedException e ) {
e .printStackTrace();
}
}
});
}
}
}
public class ThreadPoolExecutorTest {
public static void main(String[] args) {
ScheduledExecutorService scheduledThreadPool= Executors.newScheduledThreadPool(3);
scheduledThreadPool.schedule(newRunnable(){
@Override
public void run() {
System.out.println("延迟三秒");
}
}, 3, TimeUnit.SECONDS);
}
}
public class ThreadPoolExecutorTest {
public static void main(String[] args) {
ScheduledExecutorService scheduledThreadPool= Executors.newScheduledThreadPool(3);
scheduledThreadPool.scheduleAtFixedRate(newRunnable(){
@Override
public void run() {
System.out.println("延迟1秒后每三秒执行一次");
}
},1,3,TimeUnit.SECONDS);
}
}
public class ThreadPoolExecutorTest {
public static void main(String[] args) {
ExecutorService singleThreadPool= Executors.newSingleThreadExecutor();
for(int i=1;i<=5;i++){
int index=i;
singleThreadPool.execute(new Runnable(){
@Override
public void run() {
try{
System.out.println("第"+index+"个线程");
Thread.sleep(2000);
}catch(InterruptedException e) {
e.printStackTrace();
}
} });
}
}
}
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