Sun Microsystems has made the Java source code available to the open source community under the GNU General Public Licence.
Sun has long hinted that it would open source its Java programming language, but without setting out a definite timescale.
In May, Sun put a collection of Java technologies, including its Java Studio Creator and Java System Portal Server, into the open source realm, and in August it launched a Java open source website to effectively signal that moving Java to open source was imminent.
Sun's move is regarded as one of the largest contributions to the open source community. It will cover all the Java source code except for small parts that are not owned by Sun.
Sun said it hoped that open sourcing Java would extend the use of the language and in turn create a wider market for Sun products.
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