CTRL + 3
or the eclipse quick access command..!!
Even lots of experienced people have missed this command. Which came out with eclipse 3.3 m7.. this is the most powerful tool, and lets you literally TALK to eclipse... Just try it and type what you want from eclipse and you will figure out..
For examples check.http://eclipsenuggets.blogspot.com/2007/05/quick-access-ctrl3-is-bliss-are-you-one.html