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SCJP 1.5 packages

 
Greenhorn
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I've noticed that most of the exam objectives are related to the following packages:

java.lang
java.util
java.text
java.io

Am I missing any?
 
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java.util.regex
 
George Henry Smith
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Now that is confusing...

Why isn't 'java.util.regex' package called 'java.regex'?
 
Javier Sanchez Cerrillo
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I think that's the way Java API Developers organized the packages. Maybe the reason is: The java.util.regex package has only 1 Exception, 1 Interface and 2 Classes.
 
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