- Published on
Learn UML Activity Diagrams with simple examples. Understand how to model system workflows, use cases, and processes visually. Discover the difference between activity and sequence diagrams.
Oop
All Posts
- system-design (153)
- system-design-interview (42)
- database (34)
- interview-prep (30)
- low-level-design (22)
- oop (15)
- databases (15)
- normalization (10)
- misc (10)
- networking (9)
- golang (9)
- load-balacing (9)
- distributed-systems (8)
- caching (8)
- indexes (8)
- data-structures (7)
- erd (7)
- uml (6)
- solid (6)
- messaging (6)
- theorem (6)
- security (6)
- oop-pillars (5)
- data-partitioning (5)
- data-modeling (4)
- functional-dependency (4)
- bloom-filters (4)
- cdn (4)
- (4)
- programming (3)
- scalability (3)
- relational-data-model (3)
- dbms (3)
- distributed-file-system (3)
- replication (3)
- recovery (3)
- proxy (3)
- dns (3)
- api-gateway (3)
- algorithms (2)
- searching-algorithms (2)
- relational-model (2)
- oop-principle (2)
- check-sum (2)
- redundancy (2)
- system-designs (1)
- tiny-url (1)
- performance (1)
- load-balancing (1)
- course (1)
- arrays (1)
- slices (1)
- typescript (1)
- sorting-algorithms (1)
- leetcode (1)
- binary-search (1)
- problem-solving (1)
- strings (1)
- history (1)
- go-command (1)
- hello-world (1)
- setup (1)
- trade-offs (1)
- armstrong-axioms (1)
- integrity-constraints (1)
- er-diagram (1)
- oop-relationship (1)
- tips (1)
- batch-processing (1)
- streams (1)
- synchronous (1)
- asynchronous (1)
- leader-follower (1)
- architectural-pattern (1)
- heart-beat (1)
- quorum (1)
- high-availability (1)
- error-handling (1)
- observability (1)
- monitoring (1)
- concurrency (1)
- availability (1)
- key-concepts (1)
- load-balacing-uses (1)
- load-balacing-algorithms (1)
- Published on
Master object-oriented programming (OOP) with simple definitions, real-world analogies, code examples, and explanations of encapsulation, inheritance, abstraction, and polymorphism. Perfect for beginners.- Published on
Learn Abstraction in OOP and Java with real-world examples, abstract classes vs interfaces, detailed code, analogy, and interview insights. Understand how abstraction hides implementation and focuses on essential behavior.- Published on
Learn everything about Encapsulation in OOP — from definition and types to real-world analogies, examples, and interview questions. Deep dive with code, comparison tables, and advanced insights.- Published on
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.