title: Java convert byte array to hex byte array
body: <p>I have a byte array that I want to convert its value in hexadecimal.</p>
  
  <p>byte array = <code>[48, 48, 28, ...]</code></p>
  
  <p>---></p>
  
  <p>hex byte array = <code>[30, 30, 1C, ...]</code></p>