That's a very basic refactoring - there are dozens of refactoring tools out there, and every one should be able to handle this scenario. Also, most modern IDEs, such as Eclipse or Intellij IDEA, have inbuild refactorings like this.
The soul is dyed the color of its thoughts. Think only on those things that are in line with your principles and can bear the light of day. The content of your character is your choice. Day by day, what you do is who you become. Your integrity is your destiny - it is the light that guides your way. - Heraclitus