java this

this 代表什么

this 应用场景

When used as a primary expression, the keyword

this

denotes a value that is a reference to the object for which the instance method or default method was invoked , or to the object being constructed. The value denoted by

this

in a lambda body is the same as the value denoted by

this

in the surrounding context.

注意点：

this 是对象的引用

The keyword

this

may be used only in the following contexts:

in the body of an instance method or default method

in the body of a constructor of a class

in an instance initializer of a class

in the initializer of an instance variable of a class

to denote a receiver parameter