why there were a need of collection framework in java?

The Collection Framework, introduced in Java 1.2, is a unified architecture to store, manipulate, and process data.

Before Java 1.2, Java had only arrays and some basic data structures like:

• vector

• Hashtable

• stack
  But they had limitations:

✅ What is Java Collection Framework?
The Collection Framework, introduced in Java 1.2, is a unified architecture to store, manipulate, and process data.

🧠 Example Comparison Without Collections (using array):

With Collections:

🎯 Summary
✅ The Java Collection Framework was created to make life easier by giving us powerful, reusable, flexible, and consistent tools for working with groups of objects.