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Question Detail

Which method executes only once

  • start() method
  • init() method
  • stop() method
  • destroy() method

Answer: Option B

Similar Questions :

1. Which of the following below are valid isolation levels in J2EE

  • TRANSACTION_READ_UNCOMMITTED
  • TRANSACTION_SERIALIZABLE
  • Only A
  • Both A and B

Answer: Option D

2. Converting a primitive type data into its corresponding wrapper class object instance is called

  • boxing
  • wrapping
  • instantiation
  • autoboxing

Answer: Option D

3. All raw data types should be read and uploaded to the database as an array of

  • int
  • char
  • bollean
  • byte

Answer: Option D

4. There is no default transaction attribute for an EJB

  • False
  • True

Answer: Option B

5. Which keyword is used while using interface

  • extend
  • implements
  • throw
  • throws

Answer: Option B

Read more from - Java Objective Questions Answers -Chapter 1
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