Read "Introducing Go" O ' Reilly, 1th, 2 chapters

This is a creation in Article, where the information may have evolved or changed. It's obviously English, all 124 pages.
Very new, version 2016-1.
One, start
Two, type
Three, variable
Four, control structure
Five, array
Six, function
Seven, structure and interface
Eight, bag
Nine, Test
Ten
11, Next


One
Install win version of Go1.5.3.windows-amd64.msi
After
Write a Hello world! it.
Get a new directory to save your code:
E:\renqiwork\src\golang>


Create a new file, text editor
Notepad hw.go


The content is:
Package Main


Import "FMT"


Func Main () {
Fmt. Println ("Hello, S F")
}


Compile:
Go Run hw.go


Output:
Hello, S F


The FMT package is an abbreviation for formatted input and output.
,/* */is a comment
To page 18. is the 6th page of the PDF
Godoc FMT Println


2nd Chapter Type, 9th page
Go is a statically typed program language that cannot be changed after a type is defined.


Integers: uint8, uint16, UInt32, UInt64, Int8, Int16, Int32, Int64


Floating-point type, NaN (not a number), as generated by 0/0.
float32, float64
The 11th page.
Execute command
Go Run floatcal.go


Package Main


Import "FMT"


Func Main () {
Println are case-sensitive.
Fmt. Println ("1.0 + 1.0 =", 1.0 + 1.0)
}


Strings string
Fmt. Println (len ("Hello, World"))//String length: 12
Fmt. Println ("Hello, World" [1]) The ASCII code for the second subscript "E" of the string as an array is 101
Fmt. Println ("Hello," + "World") String connector Application


Booleans Boolean type
&&, | |,!