Objective-C Guide is an mobile application designed for mobile developers to learn Objective-C, the main programming language for developing iOS apps. Whether you need to prepare for an upcoming job interview or just want to brush up on your programming knowledge in Objective C, this app will be helpful.ÔÇ¿ÔÇ¿ This app contains 4 categories such as basic level, medium level, advance level and web services questions and answers about many aspects of mobile development such as Objective C, iOS Frameworks, Threads, Patterns, OOP, Memory Management, Exception Handling, Preprocessed, web services etc.. and will get the random questions.