2) Chapter 7 user define classes a. Defining classes and instance variables b. Writing class methods, constructors, accessor and mutator methods c. How use object reference this and purpose of it 3) Chapter 8-9 Arrays a. 1D and 2D Array declaration and use b. Initializing the array using {} c. Passing the array as an argument to a method d. Modifying elements of an array in a method e. How to loop through an array with a for each method to perform aggregation operations f. Arrays that store object references g. Variable length parameter lists h. Declaring and initializing arrayList objects i. methods of ArrayList and looping through ArrayList 4) Chapter 10 Inheritance a. Understand the different relationships that can exist among classes b. Dependency: A uses B c. Aggregation: A has-a B d. Inheritance: A is-a B e. Reserved word extends f. When is the super reference is used g. Understand class hierarchy h. Purpose of it i. General concept that common data members and methods are pushed higher up in the hierarchy j. Terms: Superclass/Parent class, Subclass/Child Class, Sibling, Ancestor, Descendant k. Abstract classes and abstract methods I. How do you create a child class that inherits from a parent class? m. What parent methods and data members can be accessed from the decedents of it n. Understand how to access static data members and methods through the use of protected modifier o. Difference between overloading and overriding 5) Chapter 10 Polymorphism a. Polymorphic Reference Variable 6) Chapter 11 Exceptions a. What is the purpose of using try/catch b. Understand when each code block runs, so you know what to put in each try, catch blocks 7) Chapter 12- Recursion a. Base case definition and/or identification in an example from class b. General solution definition and/or identification in an example from class vide