Unit 3: Classes

3.1

• Designate access and visibility constraints to classes, data, constructors, and methods.

• Designate private visibility of instance variables to encapsulate the attributes of an object.

• Define instance variables for the attributes to be initialized through the constructors of a class.

• Describe the functionality and use of program code through comments.

• Define behaviors of an object through non-void methods without parameters written in a class.

• Define behaviors of an object through void methods with or without parameters written in a class.

• Define behaviors of an object through non-void methods with parameters written in a class.

• Define behaviors of a class through static methods.

• Explain where variables can be used in the program code.

• Evaluate object reference expressions that use the keyword this.

3.2

• Create an inheritance relationship from a subclass to the superclass.

• Define reference variables of a superclass to be assigned to an object of a subclass in the same hierarchy.

• Call methods in an inheritance relationship.

• Call Object class methods through inheritance.