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Java
TOPIC 43 – TEST 5 REVIEW
DETAILS & REVIEW
DETAILS
The test
covers Unit 5. All notes. All work.
All class discussion is fair game.
Your test will be fully written. You
will not have a computer.
Minor
programming errors will not count against you.
The Java template
will not necessarily be provided for you.
You are now expected to know the prototype for the main function.
REVIEW
QUESTION 1
Make sure you
understand the following terms.
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Data field
Instance
variable
Constructor
Overloading
constructors
Default
constructor
Instance method
Return-type
Argument list or Parameter list
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toString
method
Method
header (method prototype)
Aggregation
Data encapsulation
public vs private
Set method
Get method
Null
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QUESTION 2
Go
through all of the Short Answer Questions in Java OOP Exercises I.
QUESTION 3 – CLASS DESIGN
Consider the class called HealthAppointment that would be used in a software
that helps doctors and governments track health services. What data fields do you think would below
to a HealthAppointment object that represents a visit to a family
doctor? List at least five.
QUESTION 4 – PROGRAMMING CONSTRUCTORS
Consider the class below and add the following constructors:
a) a constructor that gets a value for each of the data fields,
b) a
constructor that gets no arguments and creates a Point object at (0,0).
public class Point
{
public double x;
public double y:
}
QUESTION 5 – PROGRAMMING INSTANCE
METHODS
Consider the class below and add an instance method called area() that simply
returns the area of the Rectangle object.
public class
Rectangle
{
public double width;
public double height;
public Rectangle(double w, double h)
{
width = w;
height = h;
}
}
QUESTION 6 – PROGRAMMING DATA
ENCASULATION
Do the Spaceship class from the Java OOP Exercises.
POSSIBLE ADDITIONS
- NEED AGGREGATION
- NEED TESTING OF OBJECTS
- NEED CODE
ANALYSIS
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