Java Objective Questions Answers -Chapter 1

• 36. Main method parameter has which type of data type

  1. int
  2. char
  3. string
  4. double

  Answer :

  Option C

• 37. String is the predefined

  1. Method
  2. Class
  3. Variable
  4. Object

  Answer :

  Option B

• 38. Which driver is efficient and always preferable for using JDBC applications

  1. Type-4 driver
  2. Type-3 driver
  3. Type-2 driver
  4. Type-1 driver

  Answer :

  Option A

• 39. JAR file contains the compressed version of

  1. .java file
  2. .class file
  3. .jsp file
  4. None of above

  Answer :

  Option B

• 40. Which method of java is invoked by JVM to reclaim the inaccessible memory location

  1. reclaim() method
  2. final() method
  3. finalize() method
  4. both b and c

  Answer :

  Option C

• 41. Object which can store group of other objects is called

  1. Collection object
  2. Java object
  3. Package
  4. Wrapper

  Answer :

  Option A

• 42. Private Constructors can't be access from any derived classes neither from another class

  1. True
  2. False

  Answer :

  Option A