java Excutor 与 blockingQueue 例子
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package org.xzh;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Executors;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
public class ExcutorTest {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
ExecutorService th = Executors.newFixedThreadPool(2) ;
BlockingQueue<Callable> bq = new ArrayBlockingQueue<Callable>(300);
for(int i= 0; i < 10; i++){
String dis = "hello "+i;
bq.add(new Task(dis));
}
while(!bq.isEmpty()){
try {
Future fu = th.submit(bq.take());
try {
System.out.println(fu.get());
} catch (ExecutionException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
class Task implements Callable{
private String name;
public Task(String name){
this.name = name;
}
@Override
public Object call() throws Exception {
// TODO Auto-generated method stub
Thread.sleep(300);
return name +" "+Thread.currentThread().getName();
}
}
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Executors;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
public class ExcutorTest {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
ExecutorService th = Executors.newFixedThreadPool(2) ;
BlockingQueue<Callable> bq = new ArrayBlockingQueue<Callable>(300);
for(int i= 0; i < 10; i++){
String dis = "hello "+i;
bq.add(new Task(dis));
}
while(!bq.isEmpty()){
try {
Future fu = th.submit(bq.take());
try {
System.out.println(fu.get());
} catch (ExecutionException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
class Task implements Callable{
private String name;
public Task(String name){
this.name = name;
}
@Override
public Object call() throws Exception {
// TODO Auto-generated method stub
Thread.sleep(300);
return name +" "+Thread.currentThread().getName();
}
}
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