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What is the ratio of c to OC used in iOS development ?, Iosoc

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What is the ratio of c to OC used in iOS development ?, Iosoc

OC is the "superset" of C )". The two are closely related. Generally, OC is used in project development. These are all advanced extensions Based on c, and some features of C are occasionally used,

For example, variable definitions of basic data types and some simple mathematical methods.

All functions of C language are still used when writing OC code. Therefore, you must master the core concepts of C and OC in order to write efficient OC code.

It is particularly important to understand the memory model of C language, which helps to understand the memory model of OC and the working principle of its "reference counting" mechanism,

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