objective-c - NSCoder 和 NSData 的区别在哪里？

Question

学习Apple的官方文档后，我感觉他俩的用途都是实现对象和序列化之间的转换，那他们俩的区别在哪里？

Answer 1

NSData contains a bunch of bytes. This class is used for more than just serialization.

NSCoder series is specially used for serialization