Constructor method $\_\_$init$\_\_$

o How $/$ when is the constructor called.

o Example of code inside of the $\_\_$init$\_\_$ method

$-$ Special method $\_\_$str$\_\_$

o How $/$ when is the $\_\_$str$\_\_$ method called.

o Example of code inside of the $\_\_$str$\_\_$ method

$-$ When is a method a mutator method? Be able to identify which methods are

mutator methods. Which of these methods are typically mutator methods?

o Get methods, set methods, $\_\_$str$\_\_$

$-$ What is a mutable type? Be able to identify which class is a mutable type.

$-$ Examine the code we wrote for BankAccount. Understand the code we wrote

in the main method, in particular the statements that performed:

o Calling the constructor

o Printing the object that caused the $\_\_$str$\_\_$ method to be called

o Calling the deposit and withdraw methods. How did we call them?

What is happening when we call these methods?