Java Objective Questions Answers -Chapter 1

• 57. Which is the predefined package

  1. Lang package
  2. io package
  3. util package
  4. All of above
  5. satisfaction is an inevitable organisational variable.
  6. job satisfaction and performance are directly and closely related.
  7. relationship between job satisfaction and performance is moderated by growth need.
  8. every organisation has few employees having weak growth need.
  9. high performance is essential for organisational effectiveness.

  Answer :

  Option

• 58. Runnable is

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

  Answer :

  Option D

• 59. Which method of the Applet class displays the result of applet code on screen

  1. run() method
  2. paint() method
  3. drawString() method
  4. main() method

  Answer :

  Option B

• 60. Execution of the program is always begins with

  1. Main method
  2. class contain main method
  3. parent class
  4. default package

  Answer :

  Option A

• 61. Which of the following statements about arrays is syntactically wrong

  1. arrayName[] p = new arrayName[5];
  2. arrayName p[5];
  3. arrayName[] p [];
  4. arrayName p[][] = new arrayName[2][];

  Answer :

  Option B

• 62. Which type of inheritance is not supported by java

  1. Single
  2. Multiple
  3. Mulilevel
  4. Hirarchical

  Answer :

  Option B

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

  1. boxing
  2. wrapping
  3. instantiation
  4. autoboxing

  Answer :

  Option D