What is Objective-C?
Objective-C is a high-level general-purpose, object-oriented programming language that adds Smalltalk-style messaging to the C programming language.
<START_INST>What is Objective-C?<END_INST><START_CTX><END_CTX><START_A>Objective-C is a high-level general-purpose, object-oriented programming language that adds Smalltalk-style messaging to the C programming language.<END_A>