Topics 1.12-1.14

Learning goals / AP CSA Alignment

By the end of this week, you should be able to:

• 1.12.A Explain the relationship between a class and an object.
• 1.12.B Develop code to declare variables to store reference types.
• 1.13.A Identify, using its signature, the correct constructor being called.
• 1.13.B Develop code to declare variables of the correct types to hold object references.
• 1.13.C Develop code to create an object by calling a constructor.
• 1.14.A Develop code to call instance methods and determine the result of these calls.

Watch

Learn

• Want to learn more? Check out tutorials 1.12 to 1.14 for AP CSA Unit 1
• Check out the full course

Practice

Think you are ready? Try out some practice.

Topic 1.12

• Superclass and Subclass Hierarchy: Identifying superclass and subclass attributes and behaviors

Topic 1.13

• Create Objects with Constructors: Identify constructor signatures and use these to create an object of a class

Topic 1.14

• Create Objects and Call Instance Methods: Create objects and call instance methods

Apply

• Smoothie Shop - In this lab, you will use a provided class called SmoothieCard to create smoothie cards for customers to order smoothies. This lab includes a class of code with numerous concepts we have yet to learn in this AP CSA in 30 weeks course, so don't be alarmed if you don't understand the Java code written.