Java: Generic Classes

Learn how to use Java generics to write cleaner code and help eliminate runtime issues.

Introduction

• Generics in Java
• Prerequisites for this course

1. Fundamentals of Generics

• Understand the need for generics
• Understand generics in Java
• Terms in generics
• Rules and naming conventions
• Advantages of generics

2. Generic Classes and Methods

• Generic classes/interface use case
• Create a generic class demo
• Understand generic methods and constructors
• Implement a generic method as a utility
• Using bounded types
• Challenge: Write code using generic classes/bounded types
• Solution: Write code using generic classes/bounded types

3. Generics: Deep Dive

• Generic class hierarchies
• Type argument hierarchies
• Understand type erasure in generics
• Understand bridge methods
• Understand type inference and target types
• Applying wildcard arguments
• Restrictions on generics

Conclusion

• Where to go from here