Convert a byte array to a Hex string

 
public class Main {

  public static void main(String[] argv) {
    byte[] b = "ada".getBytes();
   
    for (int i = 0; i < b.length; i++) {
      System.out.println(Integer.toString((b[i] & 0xff) + 0x100, 16).substring(1));
    }
    
  }
}
/*
61
64
61
*/

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Convert a byte array to a Hex string : Convert to String « Data Type « Java

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