Object-C基础教程，系原本英文翻译，包括基础的功能与实例实现-Object-C Basic Course, Department of English translation of the original, including the realization of basic functions and examples

Objective-C培训教程，系统地讲解了Objective-C语法，适合初学者，中文版，pdf格式。-Objective-C training course, systematically explains the Objective-C syntax, suitable for beginners, Chinese version, pdf format.