Interfaces Basics

Define contracts through method signatures. Types automatically satisfy interfaces by implementing required methods. Declared with type InterfaceName interface{} syntax. Enable polymorphism and flexible, testable code depending on behavior rather than concrete types.

Visit the following resources to learn more:

• @article@Understanding Interfaces in Go
• @article@Interfaces - Go by Example
• @article@Mastering Go Interfaces: From Basics to Best Practices