Intellij Idea tips--智能类型补全

The SmartType code completion may be used after the new keyword, to
instantiate an object of the expected type. For example, type
StringBuffer buffer = new |
and press Ctrl+Shift+Space:

智能类型补全可以用在新关键词后面, 来实例化类型的一个对象. 例如: 输入
细绳缓冲 缓冲 = 新 |
然后按下 ctrl+shift+space