Test Postmortem

Dennis Burforddburford@cs.uct.ac.za

Question 1a

• Draw a component hierarchy for the following Java application. [5]

Question 1a

JPanel

JPanel

JFrame (with its own content pane)

JPanel

JPanel JPanel

JTextFieldJLabel JTextFieldJLabel

JButtonJButton

JButton

Question 1b

• Name any three of the Layout Managers in Java. [3]

Question 1b

• Name any three of the Layout Managers in Java. [3]

BorderLayout GridLayoutFlowLayout GridBagLayoutBoxLayout

Question 1c

• Give a statement in Java to set the Layout of myPanel to any Layout Manager. [2]

JPanel myPanel = new JPanel();

Question 1c

• Give a statement in Java to set the Layout of myPanel to any Layout Manager. [2]

JPanel myPanel = new JPanel();

myPanel.setLayout( new BorderLayout() );

Question 2a

• You are writing a Swing application and want the program to print out the message “Ouch!” every time you press a button. Show how you would do this for the following button: [4]

JButton button = new JButton(“Press Me”);

Question 2a

button.addActionListener( new ActionListener() { public void actionPerformed( ActionEvent e ){

System.out.println(“Ouch!”);}

}

);

Question 2b

• Indicate what type of Listener is used for each of the following components: [2]

i. JTextfield

ii. JSlider

Question 2b

• Indicate what type of Listener is used for each of the following components: [2]

i. JTextfield ActionListener

ii. JSlider ChangeListener

Question 2c

• What is the difference between a Listener and an Adapter in Java? [2]

Question 2c

• What is the difference between a Listener and an Adapter in Java? [2]

A Listener is an interface (have to implement methods). An Adapter implements a Listener interface using empty methods.

Question 3a

• Name the five stages of the traditional Software Lifecycle. [5]

Question 3a

• Name the five stages of the traditional Software Lifecycle. [5]

1. Specification2. Design3. Implementation4. Testing5. Maintenance

Question 3b

• Give two constraints you would consider when planning a software project. [2]

Question 3b

• Give two constraints you would consider when planning a software project. [2]

Time, Money, Equipment, People,….

Question 4a

• What is the difference between a Milestone and a Deliverable? [2]

Question 4a

• What is the difference between a Milestone and a Deliverable? [2]

A Milestone is the end of a distinct stage. A deliverable is a milestone with tangible results that are delivered to the client.

Question 4b

• Name two commonly used techniques for documenting/illustrating a project schedule.

[2]

Question 4b

• Name two commonly used techniques for documenting/illustrating a project schedule.

[2]

1. Table of Tasks2. Gantt Chart

Question 4c

• Give an example of a common project pitfall (be sure to say what the problem is, rather than just giving a name). [1]

Question 4c

• Give an example of a common project pitfall (be sure to say what the problem is, rather than just giving a name). [1]

One person taking all the responsibility for the project and doing all the work.

(many others….)

Question 5a

• What are the two forms that an IP address can take? Give an example of each (they do not have to be real addresses). [2]

Question 5a

• What are the two forms that an IP address can take? Give an example of each (they do not have to be real addresses). [2]

1. DNS Form: casper2.cs.uct.ac.za2. Dotted Quad Form: 137.158.128.58

Question 5b

• What two things together identify a program offering a service on a machine?

[2]

Question 5b

• What two things together identify a program offering a service on a machine?

[2]

1. IP Address2. Port Number

Question 5c

• Give an example of a type of Internet application that uses the Client-Server model. [1]

Question 5c

• Give an example of a type of Internet application that uses the Client-Server model. [1]

email, web browser, irc, telnet, ftp, ….