Eclipse -> Perferences -> Java -> Editor -> Content Assist以下图.java
将auto activation triggers for java内容改成.net
.abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
并选择Apply and Close.code
参考:blog
https://blog.csdn.net/cloudyunmz/article/details/93403008ip