How to convert a byte array to a hexadecimal string in Java?

Hello everyone! I'm new to Java and I've encountered a task: I need to convert a byte array (byte[]) into a string representing the hexadecimal (hex) representation of these bytes. For example, if I have a byte array byte[] {0x0A, 0xFF, 0x1B}, I want to get the string "0AFF1B". The problem is that when I try to simply create a string from the byte array using new String(bytes), I get gibberish instead of a hex representation. I understand that this is incorrect because String expects characters in an encoding, not arbitrary bytes. I wrote a simple code that tries to do this manually: ```java public static String bytesToHex(byte[] bytes) { StringBuilder sb = new StringBuilder(); for (byte b : bytes) { sb.append(Integer.toHexString(b & 0xFF)); } return s ```