List of JDT key bindings In Eclipse

The list of available key bindings in Eclipse depends on many factors, including what view or editor is selected, whether a dialog is open

Java editor actions

Add Block Comment	Ctrl+Shift+/
Add Import	Ctrl+Shift+M
Content Assist	Ctrl+Space
Content Assist (Simplified Chinese)	Alt+/
Expand Selection to Enclosing Element	Alt+Shift+Up Arrow
Expand Selection: Restore Last Selection	Alt+Shift+Down Arrow
Expand Selection to Next Element	Alt+Shift+Right Arrow
Expand Selection to Previous Element	Alt+Shift+Left Arrow
Format	Ctrl+Shift+F
Next	Ctrl+. (Period)
Open External Javadoc	Shift+F2
Open on Selection	F3
Open Type	Ctrl+Shift+T
Open Type Hierarchy	F4
Open Type in Hierarchy	Ctrl+Shift+H
Organize Imports	Ctrl+Shift+O
Parameter Hints	Ctrl+Shift+Space
Parameter Hints (Simplified Chinese)	Alt+?
Previous	Ctrl+, (Comma)
Quick Assist	Ctrl+1
Quick Fix	Ctrl+1
Redo	Ctrl+Y
Remove Block Comment	Ctrl+Shift+\\
Search for Declarations in Workspace	Ctrl+G
Search for References in Workspace	Ctrl+Shift+G
Shift Right	Tab
Shift Left	Shift+Tab
Show Tooltip Description	F2
Toggle Comment	Ctrl+/
Undo	Ctrl+Z