What are the differences between Java Collections and Arrays?

What are the differences between Java Collections and Arrays?

Java Collections are dynamic and can grow or shrink, while Arrays have a fixed size once created.

Can you give me examples of when to use Collections over Arrays?

Use Collections when you need flexibility, like adding or removing elements frequently. Arrays are better for fixed-size data.

What types of Collections are available in Java?

Java offers several Collections like List, Set, and Map, each serving different purposes.

Are there performance differences between using Collections and Arrays?

Yes, Arrays are generally faster for accessing elements, while Collections provide more functionality at a slight performance cost.