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

Question

I have a byte array filled with hex numbers and printing it the easy way is pretty pointless because there are many unprintable elements. What I need is the exact hexcode in

Answer 1

Ok so there are a bunch of ways to do this, but if you decide to use a library I would suggest poking about in your project to see if something has been implemented in a library that is already part of your project before adding a new library just to do this. For example if you don't already have

org.apache.commons.codec.binary.Hex

maybe you do have...

org.apache.xerces.impl.dv.util.HexBin