Collections and Composite Types

Arrays

Go arrays store a fixed number of values of the same type.

Arrays

arrays_intro.go 
package main

import "fmt"

func main() {
	var index = 
	numbers := [3]int{4, 7, 9}
	value := numbers[index]

	fmt.Println("numbers=", numbers)
	fmt.Println("index=", index)
	fmt.Println("value=", value)
}

package main

import "fmt"

func main() {
	var index = 
	numbers := [3]int{4, 7, 9}
	value := numbers[index]

	fmt.Println("numbers=", numbers)
	fmt.Println("index=", index)
	fmt.Println("value=", value)
}

package main

import "fmt"

func main() {
	var index = 
	numbers := [3]int{4, 7, 9}
	value := numbers[index]

	fmt.Println("numbers=", numbers)
	fmt.Println("index=", index)
	fmt.Println("value=", value)
}
array An array type includes its length, such as `[3]int`.