Does Xcode have code navigation feature?

Question

Does Xcode have a code navigation feature? Like unix's cscope type of tool which I can enter the name of a class and it will open the file for me? Or find out the caller of a particular method of a class? Or show the type hierarchy of a class?

Answer 1

command-shift-D (Xcode 4: command-shift-O) opens a Quick Open window where you can type a partial class name and hit enter to open the file. As far as more complex versions such as what Eclipse offers (method names, symbol names, etc), I don't believe anything like that is built into XCode.

Answer 2

In addition to the Quick Open window, there is the class browser. The class browser allows you to view the class hierarchy. The Class Browser can be found under the Project menu.