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 UML Sequence Diagrams with simple examples. Understand how object interactions and messages are represented over time. Explore their structure, use cases, and how they model system logic.
Explore Inheritance in OOP with real-world examples, types, Java code, key differences, and interview-ready insights. Learn how inheritance promotes reusability, extensibility, and clean architecture in software design.
Understand Object-Oriented Analysis and Design (OOAD) with simple steps, real-world analogies, and examples. Learn how to model systems using UML and OO principles for better software design.
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.