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Composition vs Inheritance in Java – When to Prefer Composition

Learn the difference between composition and inheritance in Java, their use cases, best practices, and why composition is often preferred for flexible design.

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Coupling and Cohesion in Java – Why They Matter for Clean Code

Learn coupling and cohesion in Java, their importance in clean code, real-world examples, best practices, anti-patterns, and how they impact software design.

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Exception Propagation in Java – How Exceptions Bubble Up the Call Stack

Learn how exception propagation works in Java, how exceptions bubble up the call stack, best practices, common mistakes, and real-world use cases.

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Custom Exceptions in Java – Creating Your Own Checked and Unchecked Exceptions

Learn how to create custom checked and unchecked exceptions in Java, when to use them, common pitfalls, best practices, and real-world use cases.

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Enum vs Constants in Java – When to Use and Why

Understand the difference between enums and constants in Java, when to use each, performance impacts, and best practices for clean, maintainable code

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Enums in Java – Enum Basics, Enum with Fields and Methods

Learn Java enums in depth: basics, enums with fields and methods, real-world use cases, performance tips, best practices, and common mistakes to avoid

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Autoboxing and Unboxing in Java – Conversions Between Primitives and Objects

Learn how Java handles autoboxing and unboxing to convert between primitives and wrapper objects automatically, with best practices and performance tips.

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Wrapper Classes in Java – Integer, Double, Boolean, and More

Learn everything about Java Wrapper Classes like Integer, Double, and Boolean. Understand autoboxing, unboxing, performance tips, and best practices.

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Multidimensional Arrays in Java – Declaration, Initialization, and Jagged Arrays Explained

Learn Java multidimensional arrays with examples. Covers declaration, initialization, jagged arrays, memory implications, and best practices for efficient coding.

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