Question

How to convert an array of integers to a string in Go

Answer 1

package main

import (
	"fmt"
	"strings"
)

func convertArrayOfIntegersToString(arr []int) string {
	var sb strings.Builder

	for _, value := range arr {
		sb.WriteString(fmt.Sprintf("%d ", value))
	}

	return sb.String()
}

func main() {
	arr := []int{5, 8, 12, 800, 3907}

	s := convertArrayOfIntegersToString(arr)

	fmt.Println(s)
}



/*
run:

5 8 12 800 3907 

*/

 

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Answer 2

package main

import (
	"fmt"
	"strconv"
)

func convertArrayOfIntegersToString(arr []int) string {
	result := ""
	for _, val := range arr {
		result = result + strconv.Itoa(val)
	}

	return result
}

func main() {
	arr := []int{5, 8, 12, 800, 3907}

	s := convertArrayOfIntegersToString(arr)

	fmt.Println(s)
}



/*
run:

58128003907

*/

 

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