Question

How to convert an ASCII character into a hex value in Go

Answer 1

package main

import (
    "fmt"
)

func main() {
    ch := 'A' 
    
    hexValue := fmt.Sprintf("%x", ch)
    
    fmt.Printf("The hexadecimal value of '%c' is 0x%s", ch, hexValue);
}



/*
run:

The hexadecimal value of 'A' is 0x41

*/

 

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Answer 2

package main

import (
    "encoding/hex"
    "fmt"
)

func main() {
    ch := 'A' 
    
    byteValue := []byte(string(ch))
    
    hexValue := hex.EncodeToString(byteValue)
    
    fmt.Printf("The hexadecimal value of '%c' is 0x%s", ch, hexValue);
}



/*
run:

The hexadecimal value of 'A' is 0x41

*/

 

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