Objects and Classes - Java Objective Questions and Answers Page3

Questions

11 Which of the following is not true about constructors?

A It initializes an object immediately upon creation

B It is syntactically similar to a method

C The return type of class constructor is the class type itself

D All of the above

Answer: Option [D]

12 A default constructor has

A has no arguments

B has no return type

C has one argument but no return type

D has two arguments

Answer: Option [A]

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13 When a method is made static, it cannot use

A this

B super

C Both [A] and [B]

D None the above

Answer: Option [B]

14 Which method of the thread class should be defined?

A run()

B start()

C Both [A] and [B]

D None of these above

Answer: Option [A]

15 In Java, main() method rteturns a value of type

A void

B int

C real

D string

Answer: Option [A]

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