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<P>Slide 68 of 101</P>
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<H2>java.lang.System</H2>
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<P><UL>
<LI> A number of useful class fields and methods.
</UL><UL>
<LI> Always available (static). 
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<LI> Cannot be instantiated. 
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<LI> Access to externally defined properties. 
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<LI> Streams in,out,err.
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<LI>
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    void arraycopy(Object, int, Object, int, int) 
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    Properties getProperties()
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    void  setProperties(Properties)
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    String getProperty(String)
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    String getProperty(String, String)
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    void exit(int)
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    void load(String)
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    void loadLibrary(String) Streams  :
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