Java MCQs with answers Page - 14

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. Which of these methods is a part of Abstract Window Toolkit (AWT) ?

  • (A) display()
  • (B) paint()
  • (C) drawString()
  • (D) tr

A

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Q. Which of these operators can be used to get run time information about an object?

  • (A) getInfo
  • (B) Info
  • (C) instanceof
  • (D) getinfoof

A

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Q. Which of these methods can be used to writing console output?

  • (A) print()
  • (B) println()
  • (C) write()
  • (D) all of the mentioned

A

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Q. Which of these class is used to read from a file?

  • (A) InputStream
  • (B) BufferedInputStream
  • (C) FileInputStream
  • (D) BufferedFileInputStream

A

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Q. Which of these events is generated by scroll bar?

  • (A) ActionEvent
  • (B) KeyEvent
  • (C) WindowEvent
  • (D) AdjustmentEvent

A

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Q. Which of these methods can be used to obtain the command name for invoking ActionEvent object?

  • (A) getCommand()
  • (B) getActionCommand()
  • (C) getActionEvent()
  • (D) getActionEventCommand()

A

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Q. Which of these class is not related to input and output stream in terms of functioning?

  • (A) File
  • (B) Writer
  • (C) InputStream
  • (D) Reader

A

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Q. Which of these class is not a member class of java.io package?

  • (A) String
  • (B) StringReader
  • (C) Writer
  • (D) File

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Q. Which of these class is a superclass of all other classes?

  • (A) Math
  • (B) Process
  • (C) System
  • (D) Object

A

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Q. Which of these classes is used for input and output operation when working with bytes?

  • (A) InputStream
  • (B) Reader
  • (C) Writer
  • (D) All of the mentioned

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