Thesmartcoders 😎

Docker tutorial links 👇👇 https://youtu.be/0SS6bJczlgs?si=PtGsNqpM48M1E7sx https://youtu.be/RSIstPUiEjY?si=yGnideAdQGaEyI4s https://youtu.be/3c-iBn73dDE?si=0KQULVVCmkBMzKZH

Top 16 Java Projects 1. Airline Reservation System: - https://lnkd.in/dRFK2vPh 2. Data Visualization Software: - https://lnkd.in/dVWVU8xn 3. Electricity Billing System: - https://lnkd.in/dekycNXQ 4. E-Healthcare Management System: - https://lnkd.in/dEkE2raN 5. Email Client Software: - https://lnkd.in/d_qz7U9E 6. Library Management System: - https://lnkd.in/dY7bDjFn 7. Network Packet Sniffer: - https://lnkd.in/dXPtyzz4 8. Online Bank Management System: - https://lnkd.in/d4Qzy8fN 9. Online Medical Management System: - https://lnkd.in/dHciHGGz 10. Online Quiz Management System: - https://lnkd.in/djKs3DJq 11. Online Survey System: - https://lnkd.in/dw9Cmhix 12. RSS Feed Reader: - https://lnkd.in/dupDQPnG 13. Smart City Project: - https://lnkd.in/d3YT36aJ 14. Stock Management System: - https://lnkd.in/dTb3hikj 15. Supply Chain Management System: - https://lnkd.in/dAzJthMQ 16. Virtual Private Network: - https://lnkd.in/dyEcgrFC

20 influential white papers and articles that are essential reading for anyone interested in software architecture: "A Field Guide to Cloud Native Architecture" Link: https://www.nginx.com/wp-content/uploads/2018/03/NGINX-Field-Guide-to-Cloud-Native-Architecture-eBook.pdf "The Twelve-Factor App" Link: https://12factor.net/ "The OpenAPI Specification" Link: https://swagger.io/specification/ "Microservices: A Definition of This New Architectural Term" Link: https://martinfowler.com/articles/microservices.html "A Reference Architecture for the Internet of Things" Link: https://iot.ieee.org/images/files/pdf/IoT_WhitePaper_Interoperability_Final.pdf "Reactive Microservices Architecture: Design Principles for Distributed Systems" Link: https://www.lightbend.com/white-papers/reactive-microservices-architecture-design-principles-for-distributed-systems "Clean Architecture: A Craftsman’s Guide to Software Structure and Design" Link: https://blog.cleancoder.com/uncle-bob/2012/08/13/the-clean-architecture.html "Serverless Architectures" Link: https://martinfowler.com/articles/serverless.html "Domain-Driven Design Reference" Link: https://domainlanguage.com/ddd/reference/ "Software Architecture Patterns" Link: https://www.oreilly.com/library/view/software-architecture-patterns/9781491971437/ "Event-Driven Microservices: An Introduction" Link: https://www.confluent.io/white-paper/event-driven-microservices-an-introduction/ "Understanding Service Mesh" Link: https://www.redhat.com/en/resources/service-mesh-whitepaper "Architecting for the Cloud: AWS Best Practices" Link: https://d1.awsstatic.com/whitepapers/AWS_Cloud_Best_Practices.pdf "The Architecture of Open Source Applications" Link: http://aosabook.org/en/index.html "RESTful Service Best Practices" Link: https://www.oracle.com/technical-resources/articles/javame/restful-service-design.html "Microservices: From Design to Deployment" Link: https://www.thoughtworks.com/insights/blog/microservices-design-deployment "Data Mesh Principles and Logical Architecture" Link: https://martinfowler.com/articles/data-mesh-principles.html "A Survey of Architectural Styles for Software Systems" Link: https://www.cs.cmu.edu/afs/cs/project/able/ftp/arch_survey.pdf "Building Microservices: Inter-Process Communication in a Microservices Architecture" Link: https://martinfowler.com/articles/microservices.html#Inter-ProcessCommunicationInAMicroserviceArchitecture "The Netflix Cloud Architecture" Link: https://www.nginx.com/blog/microservices-at-netflix-architectural-best-practices/ These white papers cover a range of topics, from microservices and cloud architecture to REST APIs and service mesh, providing foundational knowledge and insights into modern software architecture practices. I have shared more tech papers here - https://medium.com/javarevisited/40-must-read-white-papers-to-learn-system-design-and-software-architecture-775c4197f9c8 » If you liked this note, restack it to help others find it. » PS - Join 27,001+ like-minded software engineers learning system design: https://bit.ly/4539gIx

Kafka in Action: Real-World Implementations at Tech Giants 🚀 1. LinkedIn's Kafka Journey: https://lnkd.in/gPw-ruEz 2. Pinterest's Kafka at Scale: https://lnkd.in/gb5skEtU 3. Why Trello Chose Kafka: https://lnkd.in/gJhvX-dg 4. Salesforce's Kafka-Inspired Architecture: https://lnkd.in/gBH3bwGq 5. NYT's Publishing with Kafka: https://lnkd.in/gqcwF_zP 6. Yelp's Billions of Messages: https://lnkd.in/g7_fcfB7 7. Criteo's Kafka Upgrade: https://lnkd.in/gwGx8wvq 8. Shopify's Kafka on Kubernetes: https://lnkd.in/gSdHqzb4 9. Yelp's Kafka on Kubernetes: https://lnkd.in/gkcfT-Vq 10. Yelp's Zero-Downtime Zookeeper Migration: https://lnkd.in/gHdphiQY 11. Uber's Kafka Reprocessing: https://lnkd.in/gti2xZuR 12. Uber's Kafka Auditing: https://lnkd.in/gDF2S-vX 13. Dropbox's Kafka Throughput Limits: https://lnkd.in/gqpwjHzv 14. Walmart's Cost Orchestration: https://lnkd.in/gdtc5Az9 15. Hulu's Million Metrics per Second: https://lnkd.in/gRnBFEUv 16. PayPal's Kafka Scaling: https://lnkd.in/gSxAVa89

DB Interview questions Position - Associate Developer Package - 26LPA 1st Round 🔥 1. What are the new features introduced in Java 8. https://www.baeldung.com/java-8-new-features 2. Sort a student class list based on the student age in descending order. https://www.educative.io/answers/how-to-sort-a-list-of-user-defined-objects-in-java 3. Write a logic to detect a loop in linked list and remove the loop https://www.google.com/amp/s/www.geeksforgeeks.org/detect-loop-in-a-linked-list/amp/ 4. Design HashMap put method. https://www.turing.com/kb/implementing-hashmap-in-java 5. How to divide a monolithic application to Microservice https://martinfowler.com/articles/break-monolith-into-microservices.html 6. Why String is immutable https://www.google.com/amp/s/www.geeksforgeeks.org/java-string-is-immutable-what-exactly-is-the-meaning/amp/ 7. How Redis Works and what are the different caching strategies. https://codedamn.com/news/backend/advanced-redis-caching-techniques 8. How to add a list in redis cache and how to access the data again https://redis.io/glossary/lists-in-redis/ 9. What are the design pattern spring boots internally use https://www.baeldung.com/spring-framework-design-patterns 10. How spring Auto configuration features works https://www.marcobehler.com/guides/spring-boot-autoconfiguration 11. How to enable hibernate caching https://www.baeldung.com/hibernate-second-level-cache 12. Lazy loading vs Eager Loading https://www.imperva.com/learn/performance/lazy-loading/ 13. Asked me to improve one SQL query https://developernation.net/blog/12-ways-to-optimize-sql-queries-in-database-management/ 2nd Round 🔥 1. Implements a search engine, something like Google. Low Level Coding https://medium.com/@maxi.gkd/building-a-search-engine-using-a-trie-data-structure-cb79475d8a3d 2. How Pulisher Subscribe modal works https://www.geeksforgeeks.org/what-is-pub-sub/ 3. How to restrict an API call to be called from users who have required roles and permission https://www.baeldung.com/role-and-privilege-for-spring-security-registration 4. Request Scope in spring boot https://www.baeldung.com/spring-bean-scopes#:~:text=The%20request%20scope%20creates%20a,for%20a%20particular%20WebSocket%20session. 5. How to exclude a dependency https://www.baeldung.com/mvn-plugin-dependency-exclusion 6. How to pass JWT token in rest api call https://www.toptal.com/spring/spring-security-tutorial 7. logic to execute a method after every one hour without using Cron job https://stackoverflow.com/questions/10748212/how-to-call-function-every-hour-also-how-can-i-loop-this#:~:text=Create%20a%20Timer%20object%20and,timer. while(1==1) { //Your code here try{ Thread.sleep(3600000); } catch (Exception e) {} } 8. Difference between scheduled and cached thread pool https://www.linkedin.com/pulse/types-thread-pool-executors-aniket-nandan?utm_source=share&utm_medium=member_android&utm_campaign=share_via

Nagarro Interview questions and Answers Position - Tech Lead Experience - 5 years 1st Round https://www.scaler.com/topics/frequency-of-characters-in-a-string-in-java/ https://www.geeksforgeeks.org/rotate-a-matrix-by-90-degree-in-clockwise-direction-without-using-any-extra-space/ 2nd Round https://www.geeksforgeeks.org/garbage-collection-java/ https://www.fusion-reactor.com/blog/resolving-concurrentmodificationexception-in-java-a-guide-to-understanding-avoiding-and-fixing/#:~:text=The%20ConcurrentModificationException%20is%20a%20runtime,can%20be%20difficult%20to%20debug. https://www.javamadesoeasy.com/2015/02/avoid-deserialization-process-creating.html?m=1#:~:text=Avoid%20Deserialization%20process%20from%20creating%20another%20instance%20of%20Singleton%20class%20in%20java,-You%20are%20here&text=We%20can%20simply%20use%20readResove,singleton%20pattern%20during%20DeSerialization%20process. https://medium.com/design-microservices-architecture-with-patterns/microservices-communications-f319f8d76b71 https://www.prepbytes.com/blog/java/immutable-class-in-java/ https://www.reddit.com/r/javahelp/comments/18ylbqo/confused_with_final_keyword_before_hashmap/?rdt=64804 https://www.educative.io/answers/how-cors-cross-origin-resource-sharing-works https://blog.scottlogic.com/2020/02/25/spring-autowiring-its-a-kind-of-magic.html https://naveen-metta.medium.com/understanding-java-annotations-and-creating-custom-annotations-e87cb77072ed https://codeahoy.com/2017/08/11/caching-strategies-and-how-to-choose-the-right-one/ https://www.designgurus.io/course-play/grokking-the-advanced-system-design-interview/doc/2-consistent-hashing?gad_source=1&gclid=Cj0KCQjwwO20BhCJARIsAAnTIVStKt_pKh2Cd2YgkETc1pbfoZDcm0Q8Y56PiqdmcAz6Og7eNld48mwaAvzmEALw_wcB https://www.baeldung.com/kafka-topics-partitions#:~:text=What%20Is%20a%20Kafka%20Partition,by%20the%20cluster%20default%20configurations.