Java MCQs with answers Page - 19

Here, you will find a collection of MCQ questions on Java. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. Byte Stream Classes support input/output operations on _____

  • (A) 8 bit
  • (B) 16 bit
  • (C) 32 bit
  • (D) 64 bit

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Q. Character Stream Classes support input/output operations on _______ characters:

  • (A) 8 bit Unicode
  • (B) 16 bit Unicode
  • (C) 32 bit Unicode
  • (D) 64 bit Unicode

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Q. How do you position a component using FlowLayout?

  • (A) North, South, East, West
  • (B) Assign a row/column grid reference
  • (C) Pass a X/Y percentage parameter to the add method
  • (D) Do nothing, the FlowLayout will position the component

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Q. How do you change the current layout manager for a container

  • (A) Use the setLayout() method
  • (B) Once created you cannot change the current layout manager of a component
  • (C) Use the setLayoutManager() method
  • (D) Use the updateLayout() method

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Q. The AWT component used to display a single line of read-only text

  • (A) A checkbox
  • (B) A Label
  • (C) A button
  • (D) A TextField

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Q. The method to get the text of a Label

  • (A) getLabel()
  • (B) getText()
  • (C) getString()
  • (D) getData()

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Q. The AWT component used for taking input from user.

  • (A) A TextBox
  • (B) A Label
  • (C) A button
  • (D) A TextField

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Q. The method to set the text of Textfield.

  • (A) setLabel()
  • (B) setString()
  • (C) setText()
  • (D) setData()

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Q. The class used to create a Radio button in awt is

  • (A) Checkbox
  • (B) RadioButton
  • (C) OptionButton
  • (D) CheckboxGroup

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Q. A ------------ is an object that the user can see on the screen and-in most cases-interact with.

  • (A) an Event
  • (B) a window
  • (C) a Component
  • (D) a Listener

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