jLuger.de - The power of Eclipse autocompletion

Today I've accidentally found a pretty cool feature of Eclipse autocompletion: It will recognize instanceof checks and offer the method of the checked class.

See the following image:
See description below.
I pass an Object and check if it is a JPanel. Inside the if block I get all the methods of JPanel when I query for available methods on o.

And now see the result when I check a method:
See description below.
Eclipse automatically created the cast to JPanel and added the method call. Pretty impressive how intelligent the autocompletion of Eclipse got.