Java Inner Classes: Composition, HAS-A Relationship, and Modularity

Today I explained the concept of Inner Classes in Java, which is an important part of Object-Oriented Programming (OOP). In this session, we discussed how Composition (HAS-A Relationship) works and how Inner Classes help improve the structure and design of Java applications. 📌 Key Concepts Covered: Composition in Java HAS-A Relationship Inner Class Concept Advantages of Inner Classes Modularity Abstraction Security Shareability Reusability We also explored the types of Inner Classes: ✔ Static Nested Class ✔ Regular Inner Class ✔ Method Local Inner Class ✔ Anonymous Inner Class Understanding these concepts helps developers write better structured and more maintainable Java applications. If you are learning Core Java or Object-Oriented Programming, this topic is very important.

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