How to ensure a piece of code is run before exiting a java application

Question

I\'m using a licensed API which has a method to acquire/release a license object from a license server that has a finite number of licenses. At the beginning of my applicati

Answer 1

you achieve this by never calling Sytem.exit(). In main() you create a "last line of defense" with

 try {
    startApp();
 } catch (Exception ex) {
      // do some logging
 } finally {
    releaseLicense();
 }