This step-by-step JAX-RS RESTful web service example in Java using Eclipse and TomEE Plus will get you up to speed on modern web service development techniques in less than 15 minutes. This tutorial ...

Eclipse is an open-source Integrated Development Environment (IDE) supported by IBM. Eclipse is a popular script creator for Java application development (Java SE and Java EE) and Android apps.

[Springuin] just posted a tutorial about debugging MSP430 ... this should work just as well. Eclipse is a popular IDE for many different languages like C, C++, Java, and others.

The Eclipse ... Debug Server, which extends the Language Support for Java by Red Hat. Features include launch and attach; breakpoints, conditional breakpoints, and logpoints; pause and continue ...

Eclipse, long the most popular Java IDE, is free and open ... and then view variables in a tab of the debugging perspective. You can, of course, step through your code and evaluate expressions.