Understanding Java: Chapter 19

These pages contain links to the programs that are developed in Chapter 19. The title of this chapter is: Deriving a class from another class.

Shape.java	A class that represents a two-dimensional geometrical figure
Circle.java	A class that represents a circle
Rectangle.java	A class that represents a rectangle
ShapesCollection.java	A class that stores a collection of Shapes read from a BufferedReader
ShapesToScreen.java	Reading data about shapes and outputting this to the screen
Shape.java	A class that represents a two-dimensional geometrical figure
Circle.java	A class that represents a circle
Rectangle.java	A class that represents a rectangle
ShapesToScreen.java	A program that reads some data about shapes and outputs this to the screen
HelloJComponent.java	A class for an object that can display "Hello world"
HelloJComponentProg.java	A program that displays a HelloJComponent object
Shape.java	An abstract class for two-dimensional shapes that has a draw method
Circle.java	The Circle class is augmented with a draw method
Rectangle.java	The Rectangle class is augmented with a draw method
ShapesCollection.java	A class that can store a collection of Shapes created from a BufferedReader
ShapesJComponent.java	A class for a GUI component that displays a collection of shapes
ShapesJComponentProg.java	A program that displays the shapes it finds in a file of data
ExitWindowAdapter.java	A class extending WindowAdapter that exits on closing the window
PersonInputDialogProg.java	A program that uses PersonInputDialog twice and then compares the two people
PersonInputDialog.java	A class that presents a dialog box for inputting values about a person
PersonForm.java	A class that can be used to create a form for a person
Student.java	The Student interface
StudentImpl.java	A class that implements the Student interface
StudentImplProg.java	A program to test the Student interface and the StudentImpl class
StudentPopImplProg.java	X
X	X
X	X
X	X
Equality.java	An abstract class that implements equals in terms of compareTo