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

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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.

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Q2. Which line disables Flow Layout?

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

Answer: object.setLayout(null);

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

• True
• False

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

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

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These are Writing Java Application Code Week 3 Coursera Answers

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Q5. Checkboxes do not work independantly

• True
• False

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

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

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

• True
• False

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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

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These are Writing Java Application Code Week 3 Coursera Answers

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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

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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);

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These are Writing Java Application Code Week 3 Coursera Answers

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