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strings.Join() Function in Golang With Examples

  • Last Updated : 10 May, 2020

strings.Join() Function in Golang concatenates all the elements present in the slice of string into a single string. This function is available in the string package.

Syntax:

func Join(s []string, sep string) string

Here, s is the string from which we can concatenate elements and sep is the separator which is placed between the elements in the final string.

Return Value: It returns a string.

Example 1:






// Golang program to illustrate the
// use of strings.Join Function
  
package main
  
// importing fmt and strings
import (
    "fmt"
    "strings"
)
  
// calling main method
func main() {
  
    // array of strings.
    str := []string{"Geeks", "For", "Geeks"}
  
    // joining the string by separator
    fmt.Println(strings.Join(str, "-"))
}

Output:

Geeks-For-Geeks

Example 2:




// Golang program to illustrate the
// use of strings.Join Function
  
package main
  
// importing fmt and strings
import (
    "fmt"
    "strings"
)
  
// calling main method
func main() {
    // array of strings.
    str := []string{"A", "Computer-science", "portal", "for", "Geeks"}
    // joining the string by separator in middle.
    fmt.Println(strings.Join(str, " "))
}

Output:

A Computer-science portal for Geeks



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