How to convert First Character in String to Uppercase in Go - Step by Step Examples

How to convert First Character in String to Uppercase in Go ?

Answer

To convert the first character in a string to uppercase in Go, you can use the strings.ToUpper() function along with string slicing.

✐ Examples

1 Converting First Character of "hello world" String to Uppercase

In this example,

We import the strings package.
We create a string named str1 with a value of "hello world".
We convert the first character of str1 to uppercase using strings.ToUpper() function.
Finally, we concatenate the modified first character with the rest of the string and print the result.

Go Program

package main

import (
	"fmt"
	"strings"
)

func main() {
	str1 := "hello world"
	modifiedStr1 := strings.ToUpper(string(str1[0])) + str1[1:]
	fmt.Println("Modified string is:", modifiedStr1)
}

Output

Modified string is: Hello world

2 Converting First Character of "golang" String to Uppercase

In this example,

We import the strings package.
We create a string named str2 with a value of "golang".
We convert the first character of str2 to uppercase using strings.ToUpper() function.
Finally, we concatenate the modified first character with the rest of the string and print the result.

Go Program

package main

import (
	"fmt"
	"strings"
)

func main() {
	str2 := "golang"
	modifiedStr2 := strings.ToUpper(string(str2[0])) + str2[1:]
	fmt.Println("Modified string is:", modifiedStr2)
}

Output

Modified string is: Golang

Summary

In this tutorial, we learned How to convert First Character in String to Uppercase in Go language with well detailed examples.

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How to convert First Character in String to Uppercase in Go - Step by Step Examples

How to convert First Character in String to Uppercase in Go ?

Answer

✐ Examples

1 Converting First Character of "hello world" String to Uppercase

Go Program

Output

2 Converting First Character of "golang" String to Uppercase

Go Program

Output

Summary

More Go Strings Tutorials