java - addShutdownHook的实现

Question

在没有 main 方法的类中，在哪里以及如何实现 addShutdownHook？这可以用来杀死该类初始化的所有 Activity 套接字吗？

Answer 1

这可能对你有用，

   public class AddShutdownHookSample {
      public void attachShutDownHook(){
           Runtime.getRuntime().addShutdownHook(new Thread() {
                @Override
                public void run() {
                      System.out.println("Inside Add Shutdown Hook");
                }
           });

           System.out.println("Shut Down Hook Attached.");
      }
   }

在主方法中:

public static void main(String[] args) {
  AddShutdownHookSample sample = new AddShutdownHookSample();
  sample.attachShutDownHook();
  System.out.println("Last instruction of Program....");
  System.exit(0);
 }

Describe whole thing that you are trying to do and show the very exact point where you are having trouble this would be easier for other to help you.