how to edit `.class` file in Maven dependency in Eclipse

Question

Ok, so I have my Java projects, and under the Maven dependency project folder on the project explorer, I encounter a jar folder, and in it there is a .cla

Answer 1

You cannot edit jars and source jars directly. You'd need to download the source code, and edit that. You'd then have to go through the build process to re-build the jar, and install it as a new version in your maven repository.