Top 30 Eclipse Keyboard Shortcuts for Java Programmers [UPDATED]

Here are 30 useful Eclipse keyboard shortcuts for Java programmers:

1. Ctrl + Shift + R: Open a resource (file, class, or package) by name.
2. Ctrl + Space: Activate content assist (code completion) for the current context.
3. Ctrl + Shift + O: Organize imports to add or remove import statements automatically.
4. Ctrl + Shift + F: Format the selected code or the entire file according to the configured code formatter.
5. Ctrl + 1: Quick fix suggestions for resolving errors or applying code changes.
6. Ctrl + / or Ctrl + Shift + /: Comment/uncomment the selected code or the current line.
7. Ctrl + D: Delete the current line or the selected code.
8. Ctrl + Shift + L: Show a list of all available keyboard shortcuts.
9. F3: Go to the declaration of a class, method, or variable.
10. Ctrl + Shift + G: Find references to the selected element.
11. Ctrl + Shift + T: Open a type (class, interface, enum) by name.
12. Ctrl + H: Open the Search dialog to perform various types of searches in the workspace.
13. Ctrl + Shift + L: Show the Eclipse context-sensitive help.
14. Ctrl + J: Incremental search in the currently open file.
15. Ctrl + F6: Switch between open editor tabs.
16. Ctrl + E: Show a list of open editor tabs.
17. Ctrl + F: Open the Find/Replace dialog to search within the currently open file.
18. Ctrl + K: Find the next occurrence of the current selection.
19. Ctrl + Shift + K: Find the previous occurrence of the current selection.
20. Ctrl + Shift + X: Convert the selected text to uppercase.
21. Ctrl + Shift + Y: Convert the selected text to lowercase.
22. Ctrl + Shift + C: Toggle line comment for the current line or the selected block.
23. Ctrl + Shift + F7: Toggle between open perspectives.
24. Ctrl + Shift + L: Show the list of available templates.
25. Ctrl + F11: Run the last launched application.
26. F5: Debug the current application.
27. F6: Step over during debugging.
28. F7: Step into during debugging.
29. F8: Resume or continue during debugging.
30. Ctrl + Shift + F11: Run the JUnit test for the current class.

These shortcuts can significantly boost your productivity in Eclipse by allowing you to navigate, edit, and debug your Java code more efficiently. Feel free to incorporate these shortcuts into your workflow to enhance your development experience.