Java getDefaultUncaughtExceptionHandler()方法
线程类的
getDefaultUncaughtExceptionHandler()方法返回当线程由于未捕获而突然终止时调用的默认处理程序例外。如果返回的值为null，则没有默认值。
语法
public static Thread.UncaughtExceptionHandler getDefaultUncaughtExceptionHandler()
返回
此方法返回默认处理程序。
示例
public class JavaetDefaultExceptioneExp implements Runnable
{
public void run()
{
// prints thread name
System.out.println("Currently running thread is: " + Thread.currentThread().getName());
}
public static void main(String[] args)
{
JavaetDefaultExceptioneExp g1 = new JavaetDefaultExceptioneExp();
Thread t1 = new Thread(g1);
Thread t2 = new Thread(g1);
// this will call run() function
t1.start();
t2.start();
// returns the default handler
Thread.UncaughtExceptionHandler handler = Thread
.getDefaultUncaughtExceptionHandler();
System.out.println(handler);
}
}
输出:
null
Currently running thread is: Thread-0
Currently running thread is: Thread-1
