15. Which of the following statements are true? a. Data fiel…

15. Which of the following statements are true? a. Data fields do not have default values. b. Local variables have default values. c. A variable of a primitive type holds a reference to the value of the primitive type. d. A variable of a reference type holds a reference to where an object is stored in the memory. e. All of the above.

20. Which of the following statements are true? a) Construct…

20. Which of the following statements are true? a) Constructors must have the same name as the class itself. b) Multiple constructors can be defined in a class. c) Constructors are invoked using the new operator when an object is created. d) Constructors do not have a return type, not even void. e) All of the above