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MCQs

Total Questions : 26 | Page 2 of 3 pages
Question 11. Which of the following personality is called as father of Java Programming language –
  1.    Guido vom Russom
  2.    Larry Page
  3.    Bjarne Stroustrup
  4.    James Gosling
 Discuss Question
Answer: Option D. -> James Gosling
Question 12. Which of the following classes belongs to lang package in Java?
  1.    String, Math, Integer, Float
  2.    Date, Scanner, Vector
  3.    String, InputStreamReader, InputStreamWriter
  4.    Button, Menu, Scrollbar, Checkbox
 Discuss Question
Answer: Option A. -> String, Math, Integer, Float
Question 13. Which concept of Java is a way of converting real world objects in terms of class?
  1.    Polymorphism
  2.    Encapsulation
  3.    Abstraction
  4.    Inheritance
 Discuss Question
Answer: Option C. -> Abstraction
Question 14. Which function is used to input int value in Java using Scanner class?
  1.    scanner_object . nextInteger( )
  2.    scanner_object . nextInt( )
  3.    scanner_object . nextint( )
  4.    scanner_object . NextInt( )
 Discuss Question
Answer: Option B. -> scanner_object . nextInt( )
Question 15. In Java EE, EE stands for ___
  1.    Entertainment Edition
  2.    Entrepreneur Edition
  3.    Enterprise Emperor
  4.    Enterprise Edition
 Discuss Question
Answer: Option D. -> Enterprise Edition
Question 16. Which function is used to input String value in Java using Scanner class?
  1.    scanner_object . nextLine( )
  2.    scanner_object . nextString( )
  3.    scanner_object . nextText( )
  4.    scanner_object . nextChar( )
 Discuss Question
Answer: Option A. -> scanner_object . nextLine( )
Question 17. Which function is used to input float value in Java using Scanner class?
  1.    scanner_object . nextFloat( )
  2.    scanner_object . nextInt( )
  3.    scanner_object . nextfloat( )
  4.    scanner_object . NextFloat( )
 Discuss Question
Answer: Option A. -> scanner_object . nextFloat( )
Question 18. Which is NOT the access specifier (visibility mode) in Java?
  1.    private
  2.    protected
  3.    friendly
  4.    publicly
 Discuss Question
Answer: Option D. -> publicly
Question 19. Which of these keywords is used to refer to member of base class from a subclass?
  1.    upper
  2.    super
  3.    this
  4.    none
 Discuss Question
Answer: Option B. -> super
Question 20. Which of these method of String class can be used to test to strings for equality?
  1.    isequal()
  2.    isequals()
  3.    equal()
  4.    equals()
 Discuss Question
Answer: Option D. -> equals()

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