Understanding Java’s primitive data types, especially int
and double
, is fundamental for students preparing for the AP® Computer Science A exam. These types are essential for performing arithmetic operations and handling numerical data efficiently.

📘 What’s Inside?
This resource provides a comprehensive worksheet designed to help students practice and understand the behavior of int
and double
types in Java:
- Arithmetic Operations: Exercises focusing on addition, subtraction, multiplication, and division using
int
anddouble
. - Type Conversion: Understanding how Java handles implicit and explicit type casting between
int
anddouble
. - Precision and Rounding: Exploring how
double
handles decimal values and the implications of precision. - Common Pitfalls: Identifying and correcting common mistakes when working with
int
anddouble
.
🎯 Benefits for Students
By engaging with this worksheet, students will:
- Enhance Problem-Solving Skills: Apply their knowledge of
int
anddouble
to solve practical problems. - Prepare for the AP® Exam: Gain proficiency in topics commonly tested in the AP® Computer Science A exam.
- Develop Real-World Programming Skills: Learn how to implement
int
anddouble
in various programming scenarios.
🧠 How to Use This Resource Effectively
To maximize the benefits of this worksheet:
- Hands-On Practice: Encourage students to complete the exercises independently to reinforce their understanding.
- Collaborative Learning: Have students work in pairs or groups to discuss and solve the problems together.
- Real-World Applications: Assign projects that require the application of
int
anddouble
to solve real-world problems.
📥 Get the Resource
Access the full worksheet and answer key on Teachers Pay Teachers:
👉 AP® Computer Science A – Java Programming: int and double Practice
AP® is a registered trademark of the College Board® which does not endorse this product.