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The command
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package cps616;
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can be used to group classes together. A package statement can be repeated -- e.g all students could use the above package statement in their Java files and the corresponding classes would be grouped in this one package
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Note classes are called package.Classname where packages in Java system are all termed java.subpackagename
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One uses files in a package by inserting
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import cps616.* at beginning of file that neededs classes from cps616 package
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In this case classes in cps616 package can be refered to by just using their Classname
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Without import command, one must explicitly say cps616.Classname
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