1. Ctrl + Shift + N :- Go to File
2. Ctrl + E :- Lookup recent file
3. Ctrl + G :- Go to line
4. Ctrl + B :- Go to declaration
5. Ctrl + Alt + B :- Go to implementation
6. F4 :- Go to source
7. Ctrl + U :- Go to super class
8. Ctrl + Alt + H :- Show Call hierarchy
9. Ctrl + Shift + F :- Search in path/project
10. Ctrl + Alt + L : Reformat code
11. Ctrl + Alt + O :- Optimize imports
12. Ctrl + Space : Code Completion
13. Alt + Enter :- Issue quick fix
14. Ctrl + Alt + T :- Surround code block
15. Shift + F6 :- Resume and refactor
16. Ctrl + / :- Line Comment or Uncomment
17. Ctrl + Shift + / :- Block Comment or Uncomment
18. Alt + UP/ DOWN :- Go to previous / next method
19. Ctrl + P :- Show parameters for method
20. Ctrl + Q :- Quick documentation lookup
21. Ctrl + Y :- Delete line
22. Atl + Delete :- Safe Delete
23. Ctrl + F4 :- Close Active Tab
24. Shift + f10 :- Build and Run
25. Ctrl + F9 :- Build
26. Ctrl + Shift + A :- All purpose (Meta) Shortcut
27. Ctrl + Shift + Backspace : Navigate to last edit location
28. Alt + Arrow Left/ Arrow Right :- Navigate open tabs