How to use array in Go Programming Language?

package main
import "fmt"

func main(){
	var x[5] int	// Array Declaration

	x[0]=10			// Assign the values to specific Index
	x[4]=20			// Assign Value to array index in any Order	
	x[1]=30
	x[3]=40
	x[2]=50	
	fmt.Println("Values of Array X: ",x)

	// Array Declartion and Intialization to specific Index
	y := [5]int{0:100,1:200,3:500}
	fmt.Println("Values of Array Y: ",y)


	// Array Declartion and Intialization
	Country := [5]string{"US","UK","Australia","Russia","Brazil"}
	fmt.Println("Values of Array Country: ",Country)

	// Array Declartion without length and Intialization
	Transport := [...]string{"Train","Bus","Plane","Car","Bike"}
	fmt.Println("Values of Array Transport: ",Transport)

}