AP Computer Science A (Nitro) - Explore | CodeHS

Lesson 2.9 Wrapper Classes: Integers and Doubles

Description

In this lesson, students will learn how to convert primitive types to object types using a wrapper class. They will learn how Java automatically converts types using autoboxing and unboxing. This lesson corresponds with AP Computer Science A topic 2.8.

Objective

Students will be able to:

Create Integer and Double objects for wrapper classes
Call Integer and Double methods for wrapper classes

Activities

These are all the activities included in the lesson

2.9.1 Wrapper Classes

2.9.2 Quiz: Wrapper Classes

2.9.3 Creating Integers

2.9.4 Using Doubles

2.9.5 Autoboxing Example

2.9.6 Order Up!

2.9.8 Guess the number!