Basic HTML version of Foils prepared Sept 6 1998

Foil 40 Overview of Packages and Directory Structure

From Java Tutorial 98-2: Java Language and Object Oriented Techniques CPS606 Fall Semester 1999 -- Sept 7 1999. by Geoffrey C. Fox, Nancy McCracken
1 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.
2 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;
3 The name of the directory must also be mill.
4 Directory name: mill
5 File: wheat.java: stone.java:
6 package mill package mill
7 public class wheat . . . public class stone . . .
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