download Mastguru Android App

Question Detail

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

Similar Questions :

1. Which method is used to perform DML statements in

JDBC

  • execute()
  • executeUpdate()
  • executeQuery()
  • None of above

Answer: Option B

2. Which class cannot be subclassed (or extended) in java?

  • abstract class
  • parent class
  • Final class
  • None of above

Answer: Option C

3. Why we use array as a parameter of main method

  • it is syntax
  • Can store multiple values
  • Both of above
  • None of above

Answer: Option B

4. In Runnable, many threads share the same object instance

  • True
  • False

Answer: Option A

5. x=x+1 is equivalent to

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

Answer: Option B

Read more from - Java Objective Questions Answers -Chapter 1
Post a comment

    Mastguru Youtube Channel

    Videos @mastguru

    Free useful videos - Subscribe Mastguru
     

    Get Free Current Affairs and Govt Jobs Alerts in your mailbox

    To Appreciate Our Effort, Please Like Us

    Quantitative Aptitude
    English Aptitude
    Reasoning Aptitude
    Computer Awareness
    General Knowledge
    Current Affairs
    IT Officer Aptitude
    Programming Aptitude
    Latest Govt Jobs