Which of the following statements is true about

24) Which of the following statements is true about constructors?
a) Providing a constructor for a class is optional.
b) You can only provide one constructor for a class.
c) The body of the constructor must initialize all instance variables or the constructor will not successfully compile.
d) A constructor has a void return type.
25) Which of the following is a valid constructor header for the Player class that accepts the player name as a
parameter?
26) Consider the following code to declare a constructor for the Player class:
public void Player(String playerName)
{
name = playerName;
}
Which statement is true?
27) The public constructors and methods of a class form the public _____ of the class.
28) What are the operations that any programmer can use to create and manipulate objects of the class called?
a) public implementation
b) public interface
c) private implementation
d) private interface
29)
We want to change the BankAccount class so that all accounts will have a monthly fee. When a
BankAccount is created, its monthly fee is set and cannot be changed. Which of the following will properly define
the instance variable monthlyFee that holds the monthly fee?
Test Bank Chapter 3
4

30)
We want to change the BankAccount class so that all accounts will have a monthly fee. When a
BankAccount is created, its monthly fee is set and cannot be changed. The instance variable monthlyFee will
hold the monthly fee. Which of the following constructors properly sets the monthly fee to a default value of 20?