如何在主线程捕获子线程的异常

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[TOC]

通过对线程调用setUncaughtExceptionHandler，对处理器实现Thread.UncaughtExceptionHandler的接口

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class test extends Thread{
    public static class MyUncaughtExceptionHandler implements Thread.UncaughtExceptionHandler {

        public void uncaughtException(Thread t, Throwable e) {

            System.out.println("MyUncaughtExceptionHandler do something...");

            System.out.println("errorMsg:" + e.getMessage());

        }

    }
    public static class ChildTask implements Runnable {

        public void run() {

          //  Thread.currentThread().setUncaughtExceptionHandler(new MyUncaughtExceptionHandler());

            System.out.println("do something");

            throw new RuntimeException("ChildTask异常");

        }

    }
    public static void main(String[] args) {


            Thread t= new Thread(new ChildTask());
            t.setUncaughtExceptionHandler(new MyUncaughtExceptionHandler());
            t.start();

        }
    }