Abstract vs. Interface? Know the When & Why
Abstract classes and interfaces are both fundamental concepts in object-oriented programming that promote code reusability and flexibility. However, they serve distinct purposes: Abstract Classes: Purpose: Key Features: Example: Interfaces: Purpose: Key Features: Example: Key Differences Summary: Feature Abstract Class Interface Purpose Blueprint for inheritance Contract for behavior Methods Abstract and concrete Abstract only Inheritance Single inheritance Multiple inheritance Constructors Can have constructors No constructors Fields/Properties Can have fields and properties No fields or properties When to Use Which: Abstract Classes:…