FilesExpand file tree

 master

/

ThreadException.java

Copy path

BlameMore file actions

BlameMore file actions

Latest commit

 

History

History

History

43 lines (34 loc) · 1.19 KB

 master

/

ThreadException.java

Top

File metadata and controls

• Code
• Blame

43 lines (34 loc) · 1.19 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

package ThreadTest;

/*

在没有使用线程池之前，thread/runnable接口中的run方法的异常只能在run方法里边捕获，不能冒泡到调用线程上边

接下来要说的是：线程池的异常处理器，线程池让每一个生成的线程都附着一个异常处理器

*/

import java.util.concurrent.ExecutorService;

import java.util.concurrent.Executors;

import java.util.concurrent.ThreadFactory;

class ExceptionHandler implements Thread.UncaughtExceptionHandler{

@Override

public void uncaughtException(Thread t, Throwable e) {

System.out.print("catch "+e);

}

}

class HandlerThreadFactory implements ThreadFactory{

@Override

public Thread newThread(Runnable r) {

Thread thread=new Thread(r);

thread.setUncaughtExceptionHandler(new ExceptionHandler());

return thread;

}

}

class ExceptionThread implements Runnable{

@Override

public void run() {

throw new RuntimeException();

}

}

public class ThreadException {

public static void main(String[] args) {

ExecutorService service=Executors.newCachedThreadPool(new HandlerThreadFactory());

service.execute(new ExceptionThread());

}

}