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Go Concatenate two strings

In Go, there are multiple ways to concatenate strings below are most commonly used:

  • Using plus operator (+).
  • Using bytes.Buffer() function

Example of String concatenation using plus operator (+)

package main
import "fmt"
func main() {
    str1 := "Hello"
    str2 := " World"
    str1 += str2
    fmt.Println("Strings: ", str1)


Strings: Hello World

Example of String concatenation using bytes.Buffer()

package main
import (
func main() {
    var b bytes.Buffer
    b.WriteString(" World")
    fmt.Println("Strings: ", b.String())


Strings: Hello World


In this page (written and validated by ) you learned about Go Concatenate two strings . What's Next? If you are interested in completing Go tutorial, your next topic will be learning about: Go Strings Methods.

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