Eclipse (the ALT + /)
Window- 1. Select menu bar Eclipse> Preferences;
2. Select General-> Keys;
3. Click the word completion in the middle of the right side of the form and then click remove binding, binding under the casual (e.g., "Alt +.") enter a shortcut key;
4. Content Assist click and select Remove binding, binding in the input Alt + /;
In Window - Preferences - General - the Keys
. 1, the word completion shortcut set C + Alt
2, the Content Assist shortcut ctrl + space into the alt + /