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is java open source

hemapriya rao
Greenhorn

Joined: Jun 27, 2007
Posts: 15
is java an open source?
Campbell Ritchie
Sheriff

Joined: Oct 13, 2005
Posts: 37879
    
  22
No, it isn't. But it soon will be. See whether this Java website link helps.
Jesper de Jong
Java Cowboy
Saloon Keeper

Joined: Aug 16, 2005
Posts: 14074
    
  16

I guess that you really meant to ask "Are Sun's JRE and JDK open source?". The answer to that question is as Campbell already said: almost, but it's not completely open source yet. Almost all code of Sun's JRE and JDK has been open source, but Sun used some third-party code in their JRE and JDK that they cannot make open source, because they don't have the rights for it. Currently there are a number of people working to replace that code with open source code, so that it will be completely open source.

Note that there is already a 100% open source Java, called GNU Classpath. But it's only a partial implementation of Java 1.4 and it runs very slow compared to Sun's Java.


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D Rog
Ranch Hand

Joined: Feb 07, 2004
Posts: 472

I do not know what people mean by open source, but all Java sources are freely available. Everybody can also contribute in development of next version of JDK.


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Jesper de Jong
Java Cowboy
Saloon Keeper

Joined: Aug 16, 2005
Posts: 14074
    
  16

That's right, in the OpenJDK project.
 
Consider Paul's rocket mass heater.
 
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