Differences between OC and Swift 1. Differences between OCSwift

Differences between OC and Swift 1. Differences between OCSwift

1. File suffix

File Suffix of oc: header file. h main file. m

The suffix of the swift file is. swift.

2. Code Separator

Use semicolons in oc; as the Code Separator

In swift, you do not need to use code delimiters to separate lines of code. If there are multiple lines of code in a line, separate lines of code using semicolons.

3. main Function

The main function of oc is the program entry, and its function definition is similar to that of C language.

Swift does not have the main function, and its code runs first. The first line of code is the program entry.