[Macos] 解決Eclipse函數不自動提示

1. [Eclipse] -> [Preferences] -> [Java] -> [Editor] ->[Content Assist] -> [Auto Activation] -> [Auto activation triggers for Java]
   
2. "."修改成".abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
   
3. [Eclipse] -> [Preferences] -> [General] -> [Kays] -> [Restore Defaults]
4. [Eclipse] -> [Preferences] -> [Java] -> [Editor] ->[Content Assist] -> [Advanced] 
5. 全选所有选项
   
6. 重启Eclipse

Reference :
解决eclipse不自动提示（Alt+/）