Configure Eclipse “Content Assist”

用于解决提示信息速度慢问题

Window->preferences->java->editor->Content Assist
change the content in "Auto activation triggers for Java" as below:
.abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZstep_2:
change the content in "Auto activation delay" as 100