Chapter 8. Packages
There are two different kinds of packages that are important to Java programmers. The first is the source code package represented by the Java package keyword. The second is the binary component represented by a .jar file.
Java Packages
Java packages are namespaces. They allow programmers to create small private areas in which to declare classes. The names of those classes will not collide with identically named classes in different packages.
Java compilation systems keep the generated binary .class files in directory structures that mimic the package structure of the source code. Thus, the .class file for the class A.B.C will likely ...
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