This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
There are often many character sets capable of handling the characters used in a specific alphabet. The Unicode variations (UTF-8, UTF-16, UTF-32) are versatile and can handle many different characters. You'll find a list of character sets at the IANA Charset Registry You might want to read the javadocs for java.nio.Charset (which is where the above URL can be found). It has some useful information.