This is one of the tutorials regarding eclipse to integrate – java jadclipse decompiler plugin. Jadclipse provides a plugin for eclipse to decompile the class file on fly and show the content. There are many other ways to de compile the class file and to integrate this plugin with your IDE. You can also refer – https://marketplace.eclipse.org/content/eclipse-class-decompiler. However not everytime and everywhere this may work. Lets see how to manually configure and integrate the jadclipse plugin in eclipse.