摘要：
This chapter describes the fundamentals of objects, classes, and messaging as used and implemented by the Objective-C language. It also introduces the 阅读全文
摘要：
OCPL - The Objective-C Programming Language [Abugatti] POC那篇官方文档算是Objective-C的入门篇。这篇OCPL文档虽然比较早，官方已经把它标注被POC取代，但它里面讲了很多Objective-C的底层原理，是学习OC的提升篇。建议反复 阅读全文
摘要：
An Objective-C class defines an object that combines data with related behavior. Sometimes, it makes sense just to represent a single task or unit of 阅读全文