Question

How to use two dimensional (2D) array in Go

Answer 1

package main

import "fmt"

func main() {
    arr := [2][3]string{}

    arr[0][0] = "a"
    arr[0][1] = "b"
    arr[0][2] = "c"
    
    arr[1][0] = "d"
    arr[1][1] = "e"
    arr[1][2] = "f"

    fmt.Println(arr)
}

  
  
  
/*
run:
  
[[a b c] [d e f]]
  
*/

 

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Answer 2

package main
 
import "fmt"
 
func main() {
    arr := [2][3]string{}
 
    arr[0][0] = "a"
    arr[0][1] = "b"
    arr[0][2] = "c"
     
    arr[1][0] = "d"
    arr[1][1] = "e"
    arr[1][2] = "f"
 
    for i := range arr {
        fmt.Println(arr[i])
    }
    
    fmt.Println("\n")
    
    for i := range arr {
        for j := range arr[i] {
            fmt.Println(arr[i][j])
        }
    }
}
 
   
   
   
/*
run:
   
[a b c]
[d e f]


a
b
c
d
e
f
   
*/

 

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