You don't define a member variable and then provide accessor and mutator methods.

定义数据成员后不需要分别定义访问和修改的方法。

youdao

The double-dot operator invokes mutator methods to set values for each of the address attributes.

双点运算符调用了mutator方法来设置每个地址属性的值。

youdao

Such sources are read-only; thus, you should make their mutator methods private to minimize runtime failures.

这类数据源是只读的，因此应该将其mutator方法设为私有，以减少运行时错误。

youdao