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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

Similar Questions :

1. In which we clone the object and their constituent parts

  • Shallow cloning
  • Deep cloning
  • Both of above
  • None of above

Answer: Option B

2. Which command is used for interpretation of java program

  • Java
  • javac
  • javap
  • none of above

Answer: Option A

3. x=x+1 is equivalent to

  • ++x
  • x++
  • x=x-1
  • None of these

Answer: Option B

4. Interfaces helps in which type of inheritance

  • Multiple inheritance
  • Multilevel inheritance
  • Hierarchical inheritance
  • None of above

Answer: Option A

5. Which statement is static and synchronized in JDBC API

  • executeQuery()
  • executeUpdate()
  • getConnection()
  • prepareCall()

Answer: Option C

Read more from - Java Objective Questions Answers -Chapter 1
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