How to convert hex strings to byte values in Java

Question

I have a String array. I want to convert it to byte array. I use the Java program. For example:

String str[] = {"aa", "55"};

convert to:

byte new[] = {(byte)0xaa, (byte)0x55};

What can I do?

Answer 1

String str = "Your string";

byte[] array = str.getBytes();