Learn what a UML class diagram is, its key components like associations, multiplicity, aggregation, composition, and how it helps design object-oriented systems clearly.
Learn what ER models are in DBMS, why they matter, and how they help design databases. Understand entities, attributes, relationships, and ER diagrams with examples.
Learn the key differences between Association, Aggregation, and Composition in OOP. Understand real-world relationships with Java examples, diagrams, analogies, and interview tips to master object relationships in class design.
Understand cohesion, coupling, and delegation in OOP with real-world examples, Java code, design principles, and interview prep. Learn how to build high-quality, maintainable, and loosely coupled object-oriented systems.
Master generalization and specialization in OOP with definitions, real-world examples, Java code, differences, and interview prep. Learn how to model shared and specific behavior using class hierarchies in object-oriented design.