Eclipse doesn't highlight references anymore

Question

I have an odd problem. In Eclipse Ganymede, I used to be able to highlight a variable, and it would highlight the use of that variables in that method. However through some

Answer 1

• In Eclipse Kepler,
  You can simply use the "Toggle Mark Occurrences" icon on the tool bar or you can use keyboard short cut alt+shift+O.
  
  

• Window > Preferences > Java > Editor > Mark Occurrences. Enable "Mark occurrences of the selected element in the current file" and click Apply.