来源 | https://blog.csdn.net/zeal9s/article/details/83544074
显示工具条
设置鼠标悬浮提示
File–>settings–>Editor–>General–>勾选Show quick documentation…
显示方法分隔符
File–>settings–>Editor–>Appearance–>勾选
忽略大小写提示
备注:idea的默认设置是严格区分大小写提示的,例如输入string不会提示String,不方便编码
File–>settings–>Editor–>General -->Code Completion -->
主题设置