简单小例子，可以简单的看下逻辑的书写，希望能对刚接触objective－c的理解和帮助哦，希望会对你们有帮助哦，很简单和适合初学者使用-Simple example, you can simply look logical writing, hope to understand and help new to objective-c Oh, will you help Oh, very simple and suitable for beginners

基于Objective－C的基本控键的应用，操作简单明了-Objective-C based application of the basic control buttons, simple operation

用Objective－C开发的MacOS下简单经典的贪吃蛇游戏，作为练习巩固。(the snake game developed with Objective-c language, share it and let's study together.)