Ctrl+shift+f Formatting Code
Ctrl+shift+o Automatic Guide Bag
Ctrl+1 Quick Fix (the most classic shortcuts, you don't have to say more)
Ctrl+d: Delete When moving forward
Ctrl+m Editor View maximization
Ctrl+q positioning to the last edited place
CTRL+SHIFT+H Global Lookup (set lookup mode)
CTRL+SHIFT+R Global Lookup Resources
Ctrl+f Current File Find content
ctrl+/comment when moving forward
ctrl+/Canceling comments
ctrl+shift+/notes
Ctrl+shift+\ Canceling comments
Alt+↓ the current line and the next line of interaction (especially useful, can be omitted first cut, then pasted)
Alt+↑ the current line and the upper row interaction position (IBID.)
alt+← the previous edited page
alt+→ next Edit page (of course, for the above article)
Ctrl+o Open Class Structure view
Ctrl+t Display class inheritance structure diagram
Shift+↑ Select Code up
Shift+↓ Select Code Down
Eclipse Common Tips