Skip to content

Objective-C面试题错误 #3

@doubleJJJJ

Description

@doubleJJJJ
image 使用copy关键字,不一定是深拷贝。 如果对象是不可变的,copy会进行浅拷贝,mutableCopy会进行深拷贝。 如果对象是可变的,那么无论是copy还是mutableCopy都会进行深拷贝。

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions