Introduction to Collections Framework in Java


The Collections Framework provides a unified architecture for storing and manipulating groups of objects. It includes interfaces like List, Set, Map, and implementation classes like ArrayList, HashSet, HashMap.

Source Code

List list = new ArrayList();
list.add("Java");
list.add("Python");
list.add("C++");
System.out.println(list); // Outputs: [Java, Python, C++]

Use the Collections Framework for dynamic storage and efficient manipulation of data.

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