Download
* Download JadClipse from http://sourceforge.net/projects/jadclipse/, e.g. net.sf.jadclipse_3.3.0.jar
* Download Jad from http://www.varaneckas.com/jad, e.g. jad158g.win.zip
Install
Install Jad
* Unzip Jad zip file into a local directory, e.g. C:\prog\jad
Install JadClipse
* Copy downloaded jadclipse jar file, e.g. net.sf.jadclipse_3.3.0.jar, to Eclipse plugins directory, e.g. C:\prog\eclipse\plugins
* Restart Eclipse
Setup JadClipse
* Select Window > Preferences… > Java > JadClipse
* Set Path to decompiler to the full path of Jad executable, e.g. C:\prog\jad\jad.exe
* Select Window > Preferences… > General > Editors > File Associations
* Select *.class file type in the File types panel
– Check that Associated editors panel shows JadClipse Class File Viewer
* Select *.class without source file type in the File types panel
– Check that Associated editors panel shows JadClipse Class File Viewer
Usage
* Open an Eclipse project
* Double click any .class file to view source