Java Programming Tutorial OOP Exercises

FPT University
hwww3.ntu.edu.sg

1. Exercises on Classes

1.1 An Introduction to Classes and Instances by Example - The Circle Class
1.2 Ex: Yet Another Circle Class
1.3 Ex: The Rectangle Class
1.4 Ex: The Employee Class
1.5 Ex: The InvoiceItem Class
1.6 Ex: The Account Class
1.7 Ex: The Date Class
1.8 Ex: The Time Class
1.9 Ex: The Ball Class

2. Exercises on Composition

2.1 An Introduction to OOP Composition by Example - the Author and Book Classes
2.2 (Advanced) The Author and Book Classes Again - An Array of Objects as an Instance Variable
2.3 Ex: The Author and Book Classes - Your Turn
2.4 Ex: The Customer and Invoice classes
2.5 Ex: The Customer and Account classes
2.6 Ex: The MyPoint Class
2.7 Ex: The MyLine and MyPoint Classes
2.8 Ex: The MyCircle and MyPoint Classes
2.9 Ex: The MyTriangle and MyPoint Classes
2.10 Ex: The MyRectangle and MyPoint Classes

3. More Exercises on Classes

3.1 Ex: The MyComplex class
3.2 Ex: The MyPolynomial Class
3.3 Ex: Using JDK's BigInteger Class
3.4 Ex: The MyTime Class
3.5 Ex: The MyDate Class
3.6 Ex: Bouncing Balls - Ball and Container Classes
3.7 Ex: The Ball and Player Classes

4. Exercises on Inheritance

4.1 An Introduction to OOP Inheritance by Example - The Circle and Cylinder Classes
4.2 Ex: Superclass Person and its subclasses
4.3 Ex: Point2D and Point3D
4.4 Ex: Point and MovablePoint
4.5 Ex: Superclass Shape and its subclasses Circle, Rectangle and Square
4.6 Ex: Superclass Animal and its subclasses

5. Exercises on Composition vs Inheritance

5.1 Ex: The Point and Line Classes
5.2 Ex: The Circle and Cylinder Classes Using Composition

6. Exercises on Polymorphism, Abstract Classes and Interfaces

6.1 Ex: Abstract Superclass Shape and Its Concrete Subclasses
6.2 Ex: GeometricObject Interface and its Implementation Classes Circle and Rectangle
6.3 Ex: Movable Interface and its Implementation MovablePoint Class
6.4 Ex: Movable Interface and its Implementation Classes MovablePoint and MovableCircle
6.5 Ex: Interfaces Resizable and GeometricObject
6.6 Ex: Abstract Superclass Animal and its Implementation Subclasses
6.7 Ex: Another View of Abstract Superclass Animal and its Implementation Subclasses
6.8 Ex: Interface Movable and its implementation subclasses MovablePoint and MovableCircle

7. More Exercises on OOP

7.1 Ex: The Discount System
7.2 Ex: Polyline of Points with ArrayList

8. Exercises on Data Structures

8.1 Ex: MyIntStack