Question

There is a console Java application which is supposed to run until it is stopped by Ctrl+C or closing the console window. How that application can be programmed to execute a clean up code before exit?

Answer 1

You could use a Shutdown Hook.

Basically you need to create a Thread which will perform your shutdown actions, and then add it as a shutdown hook. For example:

class ShutdownHook extends Thread {     public void run()     {         // perform shutdown actions     } }  // Then, somewhere in your code  Runtime.getRuntime().addShutdownHook(new ShutdownHook())