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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. Which type of inheritance is not supported by java

  • Single
  • Multiple
  • Mulilevel
  • Hirarchical

Answer: Option B

2. Which keyword represents object of the present class

  • interface
  • package
  • this
  • static

Answer: Option C

3. The Externizable interface extends the serializable interface

  • True
  • False

Answer: Option A

4. Executable applet is

  • .applet file
  • .java html
  • .java file
  • .class file

Answer: Option D

5. Which collection class associates values witch keys, and orders the keys according to their natural order

  • java.util.HashSet
  • java.util.LinkedList
  • java.util.TreeMap
  • java.util.SortedSet

Answer: Option C

Read more from - Java Objective Questions Answers -Chapter 1
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