Take a look at DCEVM, it’s a modification of the HotSpot VM that allows unlimited class redefinitions at runtime. You can add/remove fields and methods and change the super types of a class at runtime. The binaries available on the original site are limited to Java 6u25 and to early versions of Java 7. The … Read more
A solution that uses devTools works : 1 – Adding devtools to your project <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</artifactId> </dependency> 2- Enabling automatic build Open the Settings –> Build-Execution-Deployment –> Compiler and enable : Build Project Automatically. 3- Update the value of compiler.automake.allow.when.app.running press ctrl+shift+A and search for the registry. In the registry, enable : compiler.automake.allow.when.app.running Hope … Read more
You can either use the open-source HotSpot VM or the commercial JRebel IDE plugin to easily achieve your goal (view comparison table here).