Question

How to use nested string slices in Go

Answer 1

package main
 
import "fmt"
 
func main() {
    arr := [][]string{}

    row1 := []string{"go", "c++", "c", "c#"}
    row2 := []string{"php"}
    row3 := []string{"nodejs", "python", "java", "swift"}

    arr = append(arr, row1)
    arr = append(arr, row2)
    arr = append(arr, row3)

    for i := range arr {
        fmt.Println(arr[i])
    }
}
 
 
 
/*
run:
 
[go c++ c c#]
[php]
[nodejs python java swift]
 
*/

 

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Answer 2

package main
 
import "fmt"
 
func main() {
    arr := [][]string{}

    row1 := []string{"go", "c++", "c", "c#"}
    row2 := []string{"php"}
    row3 := []string{"nodejs", "python", "java", "swift"}

    arr = append(arr, row1)
    arr = append(arr, row2)
    arr = append(arr, row3)

    for i := range arr {
        for j := range arr[i] {
            fmt.Println(arr[i][j])
        }
    }
}
 
 
 
/*
run:
 
go
c++
c
c#
php
nodejs
python
java
swift
 
*/

 

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