Constructor

Question 1

are a special kind of method.

Answer 1

Constructors

Question 2

What are the three peculiarities of Constructors?

Answer 2

• A constructor must have the same name as the class itself.
• Constructors do not have a return type—not even void.
• Constructors are invoked using the new operator when an object is created.

Question 3

What role do Constructors play?

Answer 3

Initializing objects?

Question 4

TRUE OR FALSE:
“A class normally provides a constructor without arguments.”

Answer 4

True

Question 5

What are constructors with no arguments (ex. Circle()) referred to?

Answer 5

No-arg or no-argument constructor

Question 6

TRUE OR FALSE
“A class may be defined without constructors. In this case, a no-arg constructor with an empty body is implicitly defined in the class.”

Answer 6

TRUE

Question 7

When are default constructors provided automatically?

Answer 7

Default constructors are only provided automatically if no constructors are explicitly defined in the class.

Question 8

How do you specify that you are referring to the field in “this” object and not the local parameter?

Answer 8

By using the “this” keyword.