Arguments in many methods in the Java APIs are of the type InputStream. This is how to get an InputStream from a String, where argument to getBytes, UTF-8, is the encoding to use:
InputStream is = new ByteArrayInputStream(myString.getBytes(\"UTF-8\"));
[tags]Java[/tags]
IBM also has a list of supported JDKs and JREs.
Old JDK/SDK/JRE versions can be downloaded at java.sun.com.
[tags]Java, Lotus Domino, Lotus Notes[/tags]