Basic HTML version of Foils prepared 18 May 97

Foil 71 Overview of Packages and Directory Structure

From Java Tutorial - Spring 1997 Part II: Java Language and Object-Oriented Concepts Peking Tutorial, Web Certificate -- Spring-Summer 1997. by Nancy J. McCracken,Geoffrey C. Fox
One file can contain several related classes, but only one of them can be public. If the public class is called wheat.java, then the file must be called wheat.
A set of classes in different files can be grouped together in a package. Each of the files must be in the same directory and contain the command
  • package mill;
The name of the directory must also be mill.

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