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Design Patterns & LLD
10 topics · 57 questions
1SOLID Principles0/552DRY, KISS, YAGNI & Other Principles0/443Creational: Singleton, Factory, Builder, Prototype0/12124Structural: Adapter, Decorator, Proxy, Facade0/665Behavioral: Strategy, Observer, Command, State, Template0/12126Circuit Breaker & Saga0/17Patterns in Spring & JDK0/228LLD Approach & Modeling0/229LLD Problems: Parking Lot, Elevator, Chess, etc.0/121210Design Patterns Overview0/11
1SOLID Principles52DRY, KISS, YAGNI & Other Principles43Creational: Singleton, Factory, Builder, Prototype124Structural: Adapter, Decorator, Proxy, Facade65Behavioral: Strategy, Observer, Command, State, Template126Circuit Breaker & Saga17Patterns in Spring & JDK28LLD Approach & Modeling29LLD Problems: Parking Lot, Elevator, Chess, etc.1210Design Patterns Overview1
10 topics57 Qs0%
01Core Java17002OOP3203Collections6704Exception Handling2805Concurrency & Multithreading12706Java Streams, Lambda & Functional Programming32807Spring & Spring Boot2608Transactions3209JPA & Hibernate6910Microservices19411Kafka & Messaging9112DevOps, CI/CD & Tooling13313Database & SQL14114REST API & Web4015Design Patterns & LLD5716Advanced Java7117Coding Problems: DSA49218AWS & Cloud4119Data Engineering19420QA, Testing & SDET4121System Design3522Security2023Behavioral / HR: STAR Method37
10Topics
57Questions
0%Complete
6 of 10 topics
Topics
1SOLID Principles0/552DRY, KISS, YAGNI & Other Principles0/443Creational: Singleton, Factory, Builder, Prototype0/12124Structural: Adapter, Decorator, Proxy, Facade0/665Behavioral: Strategy, Observer, Command, State, Template0/1212
6Circuit Breaker & Saga0/11
7Patterns in Spring & JDK0/228LLD Approach & Modeling0/229LLD Problems: Parking Lot, Elevator, Chess, etc.0/121210Design Patterns Overview0/11

Circuit Breaker & Saga

Design Patterns & LLD·Topic 6 of 10·1 question
Q1Saga pattern: local transactions, compensations, choreography vs orchestration, and long-running consistency

A saga is a series of local commits, and if one fails you fix the earlier ones with compensating transactions, not a rollback.

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Previous · Topic 5Behavioral: Strategy, Observer, Command, State, Template12 questionsNext · Topic 7Patterns in Spring & JDK2 questions
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