You can also set auto completion to open automatically while typing.

Go to Preferences > Java > Editor > Content Assist and write .abcdefghijklmnopqrstuvwxyz in the Auto activation triggers for Java field.

eclipse 代码提示快捷键 alt+/_数据

 

 

eclipse (ALT+/)
1.选择Eclipse菜单栏中的Window->preferences; 
2.选择General->keys; 
3.在右侧中间的窗体中点击word completion后再点击remove binding,在下方的binding中随便(例如"Alt+.")输入一个快捷键; 
4.然后选择Content Assist点击Remove binding,在binding中输入Alt+/;

在 Window - Preferences - General - Keys 内 
1、把word completion的快捷键设置alt+C 
2、把Content Assist的快捷键由ctrl+space改成alt+/