<ul><li>Abstraction in Java OOP focuses on what a method does rather than how it is achieved.</li><li>Abstraction can be implemented using interfaces or abstract classes to create templates that define the functionality of methods without implementing the logic.</li><li>Abstract classes allow partial abstraction by sharing common code, while interfaces provide full abstraction with no method implementations allowed.</li><li>Understanding abstraction, along with other OOP concepts like inheritance and polymorphism, is essential for writing clean, flexible, and scalable code in Java.</li></ul>

Final Part | Mastering Java OOP from Scratch | Abstraction | Interfaces

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