Converting A String To Hexadecimal In Java

Question

I am trying to convert a string like \"testing123\" into hexadecimal form in java. I am currently using BlueJ.

And to convert it back, is it the same thing except b

Answer 1

First convert it into bytes using getBytes() function and then convert it into hex usign this :

private static String hex(byte[] bytes) {
    StringBuilder sb = new StringBuilder();
    for (int i=0; i