Collection vs Collections in Java: What's the Difference?

When I first started learning Java, I often got confused between Collection and Collections. Their names are almost identical, but they serve completely different purposes. Let's understand the difference with simple explanations and examples. What is Collection? Collection is an interface in the Java Collection Framework. It represents a group of objects (elements) and defines the basic operations that all collection classes should support. Common methods include: --> add() --> remove() -->