Eclipse: Set default file encoding to UTF-8
Thursday, December 16th, 2010- Eclipse > Preferences (or Command , on OSX)
- General > Workspace | Text File Encoding (switch to Other: UTF-8)
You can also do the same at the project level.
Eclipse can become quite slow, especially if you have plugins like AJDT installed. Boosting the memory can help. Edit your eclipse.ini.
Original eclipse.ini
.... --launcher.XXMaxPermSize 256m -vmargs -Xms40m -Xmx256m
Update eclipse.ini
... --launcher.XXMaxPermSize 512m -vmargs -Xms100m -Xmx512m
See also:

Or in some version go to: Preferences > Aptana > Startup Page (and check the “Never …”