Useful Eclipse Hotkeys

Moving around

• Ctrl+J — Incremental Search
• Ctrl+F6 — Switch between last used files
• Alt+arrow — keys to move to previous/next used files
• Ctrl+E - open editor list
• F3 — Open declaration
• Ctrl+Alt+H — Open Call Hierarchy
• Ctrl+K - Next occurrence （Previous occurrence : Ctrl+Shift+K）
• Ctrl+Shift+G - search in the workspace
  

Editing

• Ctrl+1 — Quick Fix: press while cursor is positioned at member variable, parameter, selection, warnings, errors, ...
• Ctrl+2 - Quick Assistance
  
• Alt+Shift+T — Show Refactor Quick Menu
• Alt+Shift+S - show the Source menu
  
• Alt+Shift+R - Rename
• Alt + Shift + I - Inline
  

Running and Debug

• Ctrl + R - Run to the cursor
• Ctrl + F11 - Run last time execution
• Alt + Shift + X, T - Running JUnit

Other

• Ctrl + O - Quick Outline, it is very useful when you maximum the editor and cannot see the view of outline.
• Ctrl + T - Hierarchy layout
  
• Alt+Shift+Up - Expand Selection to enclosing element （Brother: Alt+Shift+Down）
• Alt+Shift+ Arrow Up - Select the outside element. If the cursor is a word, it will select the whole word, just like double click mouse on a word.
  
• Ctrl+Shift+L - List all hot keys
• Ctrl+M - Maximum/restore the current view