If you use IDEA you can right-click modified .java file and click 'Compile and Reload File' https://www.jetbrains.com/help/idea/altering-the-program-s-execution

If you use IDEA you can right-click modified .java file and click 'Compile and Reload File' https://www.jetbrains.com/help/idea/altering-the-program-s-execution-flow.html#reload_classes https://www.jetbrains.com/help/idea/altering-the-program-s-e...