how to execute a code after the endless loops?

[Jhovarie]

hello guys i ask this because im doing this.
i create a dos app and it runs on start up application then every time my computer runs i record the current time and date on text file.

then my big problem is i cant record the current time and date if i turn off my computer
see my code i hope some one can help me and thanks

public class Main {
  public static void main(String[]args){
      // i will record the current time in textfile every time i turn on my computer using filewriter     
      while(true){
          //this is endless loops  
      }
      //then if my computer turn of i will record the current time in textfile
      //the problem is i cant execute my code on exit. 
    // how to execute a code after the endless loops?
  }   
}

[Norm]

cant record the current time and date if i turn off my computer

Are you asking if there is a way for the OS to tell your code that the computer is being turned off?

[Jhovarie]

Are you asking if there is a way for the OS to tell your code that the computer is being turned off?

my be Yes..
is their any way to do that?

if No
how to execute a code after endless loops.
(i mean how to execute a code if i turn of my application)?

[Fubarable]

Perhaps you want to intermittently write the time to a file, and then the last time written should be close to the time that the computer was turned off.

[Jhovarie]

what do you mean? how does it help?

while my application is running the time and date are recorded into text file is this what you are saying? if yes
how about this one?

how to invoke a method if the computer is shutting down?