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

To go the other way (hex to string), you can use

public String hexToString(String hex) {
    return new String(new BigInteger(hex, 16).toByteArray());
}