Swift learns Day002 and swiftday002

Swift learns Day002 and swiftday002

• 0. Coordinate System learning method of wheat College

• 1. constants and variables
• 1.1 define constants and variables

• 1.2 annotations

• 1.3 Use of semicolons

• 2. Data Type
• An integer of 2.1

  Output:

 

• 2.2 floating point number

  ↑ Cannot be converted directly.

  Output:

 

• 2.3 numeric literal

  A decimal number without a prefix;

  A binary number with a prefix of 0 B;

  An octal number with a prefix of 0 o;

  A hexadecimal number with a prefix of 0x;

 

• 2.4 type conversion

 

• 2.5 Type alias

 

• 2.6 Boolean Value

 

• 2.7 characters and strings

• 2.8 Tuples (Tuples)

  Tuples are returned as function values:

How does apple learn the latest swift language? Is there any information in China?

The Swift language has just been around for a day, with very little information. We have a development discussion group of our own. We can come in and discuss it together. Group number: 290094875 verification input Swift

Learn swift for beginners who are not familiar with it.

New languages, more convenient programming operations, as long as you have the confidence to learn well, certainly can.
If you have a certain c foundation, you can learn it faster and better.
The key to learning well lies in your own efforts.