Java MCQs with answers Page - 18

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 method in Thread class is used to check weather a thread is still running?

  • (A) isAlive()
  • (B) Join()
  • (C) isRunning()
  • (D) Alive()

A

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Q. Which of these methods is used to begin the execution of a thread?

  • (A) run()
  • (B) start()
  • (C) runThread()
  • (D) startThread()

A

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Q. Which of these method waits for the thread to treminate?

  • (A) sleep()
  • (B) isAlive()
  • (C) join()
  • (D) stop()

A

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Q. Which of these classes is used to read characters and strings in Java from console?

  • (A) BufferedReader
  • (B) StringReader
  • (C) BufferedStreamReader
  • (D) InputStreamReader

A

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Q. Which of these classes are used by Byte streams for input operation?

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

A

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Q. Which of these class contains the methods print() & println()?

  • (A) System
  • (B) System.out
  • (C) BufferedOutputStream
  • (D) PrintStream

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

  • (A) printout()
  • (B) println()
  • (C) write()
  • (D) All of the mentioned

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Q. Which of these classes are used by character streams output operations?

  • (A) OutputStream
  • (B) Writer
  • (C) ReadStream
  • (D) InputOutputStream

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Q. Which refers to a channel through which data flow from the source to the destination:

  • (A) String
  • (B) Character
  • (C) Stream
  • (D) Buffer

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Q. Java Stream classes can be categorized into two groups:

  • (A) Byte and Character Stream Classes
  • (B) Stream and String Classes
  • (C) String and Character Stream Classes
  • (D) Buffer and Character Stream Classes

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