Question

How to convert a hex to a byte array in Scala

Answer 1

def hexToByteArray(hex: String): Array[Byte] = {
  hex.sliding(2, 2).toArray.map(Integer.parseInt(_, 16).toByte)
}


val hexString = "1A2B3C4D"
val byteArray = hexToByteArray(hexString)

println(byteArray.mkString("Array(", ", ", ")"))



/*
run:

Array(26, 43, 60, 77)
 
*/

 

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