Writing Java Application Code | Module 3

Course Name: Writing Java Application Code (Java as a Second Language Specialization)

Course Link: Writing Java Application Code

These are Writing Java Application Code Week 3 Coursera Answers

Q1. If flow layout is enabled, how are components added?

  • AddBounds
  • Drag and Drop
  • Added starting at the top row of the container and continuing to the next rows as needed.
  • By template

Answer: Added starting at the top row of the container and continuing to the next rows as needed.

Q2. Which line disables Flow Layout?

  • Flow Layout = no;
  • object.setLayout(null);
  • object.setLayout(false);
  • !object.setLayout();

Answer: object.setLayout(null);

Q3. True or False: If Flow Layout is disabled the setBounds() method can be used to locate components.

  • True
  • False
Answer: True

Q4. What are the 2 states of a check box?

  • checked and unchecked
  • on and off
  • New and old
  • Up and down
Answer: checked and unchecked

These are Writing Java Application Code Week 3 Coursera Answers

Q5. Checkboxes do not work independantly

  • True
  • False
Answer: False

Q6. In order to be most effective. radio buttons should be added to __________ .

  • a Button Group
  • A text string
  • The JFrame
  • A JPanel
Answer: The JFrame

Q7. True or False: The checked or unchecked status of a checkbox can be tested.

  • True
  • False
Answer: True

Q8. In a button group, how many radio buttons can be selected at a time?

  • all buttons
  • More than one button
  • one button
  • two buttons
Answer: one button

These are Writing Java Application Code Week 3 Coursera Answers

Q9. The selection items for a ComboBox are added by ___________ .

  • the user adds then one at a time
  • setText method
  • A String array
  • Free form text
Answer: A String array

Q10. JLabels can contain images. Which line below instantiates the image?

  • new image=(image-file);
  • ImageIcon image = new ImageIcon(“path to imagefile / image-file”);
  • image = image-file
  • setImage(image-file);
Answer: ImageIcon image = new ImageIcon("path to imagefile / image-file");

These are Writing Java Application Code Week 3 Coursera Answers

See also  Introduction to Java as a Second Language | Module 1

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Writing Java Application Code Week 3 Coursera Answers

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