This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Do you mean the String#codePointAt method or similar? Those methods were introduced in Java5 because Unicode introduced glyphs requiring more than 16 bits to encode them. I don't think you will find that.
And I think you ought to have asked that elsewhere: anybody wish to move this topic, please?