Shortcut keys for Eclipse IDE

Let me start with this helpful info, and eventually I will provide with tutorials for differnt tools used during software development.
Shortcut keys are something most of the programmers miss in their practice which always slowdown the work. I have compiled this list which I found over the internet as I also need them sometimes.

1. Open any file quickly without browsing for it in the Package Explorer : Ctrl + Shift + R
2. Open a type (e.g.: a class, an interface) : Ctrl + Shift + T
3. Go directly to a member (method, variable) of a huge class file : Ctrl + O
4. Go to required line number in the source file : Ctrl + L
5. Go to the last edit location : Ctrl + Q
6. Go to a supertype/subtype : Ctrl + T
7. Go to other open editors : Ctrl + E
8. Move to one problem (error, warning) in a file Ctrl + . for next, and Ctrl + , for prev.
9. Hop back and forth through the files you have visited Alt + ← and Alt + →, respectively.
10. Go to a type declaration press F3. Alternatively, you can hold Ctrl down and click the hyperlinked