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Looking for Advanced JAVA Interview Questions with Answers? Here we have collected a set of questions from the students who have attended interviews in Fortune 500 companies. Check the link below bit.ly/2kIeCIO #javainterviewquestions #javainterviewquestionsandanswers

h2kinfosys's tweet image. Looking for Advanced JAVA Interview Questions with Answers? 

Here we have collected a set of questions from the students who have attended interviews in Fortune 500 companies.

Check the link below
bit.ly/2kIeCIO
#javainterviewquestions #javainterviewquestionsandanswers

Preparing for a Java interview? We have got you the much-needed Interview Preparation Guide from an Expert in the Industry. #java #javaprogramming #javainterviewquestionsandanswers #javainterviewquestions #javadeveloperinterviewquestions Registration Now bit.ly/3RShcH0

EduBridgelearn's tweet image. Preparing for a Java interview? We have got you the much-needed Interview Preparation Guide from an Expert in the Industry.

#java #javaprogramming #javainterviewquestionsandanswers #javainterviewquestions #javadeveloperinterviewquestions

Registration Now bit.ly/3RShcH0

Update(part 1): finished the interview they asked some technical questions, mainly around: Asked About my projects and from my resume How authentication actually works (JWT, sessions) Database indexing & query optimization Caching strategies (Redis, CDN basics)

Tomorrow is my Backend Developer interview at a startup If all goes well, I’ll share the entire interview process + questions. Hope it helps others preparing



These are classic interview questions that really test a candidate's understanding of core programming paradigms. It's fascinating how C++ evolved from C by adding object-oriented features, and then Java took things further with its platform independence and garbage collection.…


Junior Java developer Interview Report 👇 What do you think ? How many can you answer ?

SumitM_X's tweet image. Junior Java developer Interview Report 👇

What do you think ? 
How many can you answer ?

I created a GitHub repository to help you learn with Java interview last year repo - github.com/javabuddy/awes… And, it received 395+ stars on GitHub It gives you: - Java interview questions by topic - Core Java Fundamentals - Java interview resources - Data Structure and…

javarevisited's tweet image. I created a GitHub repository to help you learn with Java interview last year
repo - github.com/javabuddy/awes…
And, it received  395+ stars on GitHub
It gives you:  
-  Java interview questions by topic 
-  Core Java Fundamentals
-  Java interview resources  
-  Data Structure and…

Interview Questions @ Walmart Global Tech | Java Engineer | Round 2 | Dec 2025 (Reported on 3 Dec) Q1: Spring Security JWT validation flow Q2: HashMap vs LinkedHashMap vs TreeMap Q3: Kafka partitions & backpressure Q4: Implement Producer-Consumer Q5: Observability pillars Q6:…

Interview Questions @ Infosys | Java Developer | Technical Round | Dec 2025 (Reported on 4 Dec) Q1: Why is String immutable? Q2: StringBuilder vs StringBuffer Q3: Differences between List, Set, Map Q4: What is WeakHashMap? Q5: Explain OOP principles Q6: SQL JOIN types Q7: What…



Gone are the days when Java interviews were about HashMap vs Hashtable, OOP pillars, String vs StringBuilder, or What is JVM? The golden period of 2022 is gone.. Today’s Java interviews focus on: Real microservices design (timeouts, retries, circuit breakers, idempotency)…


Do not sleep on System design if you are preparing for interviews. You have to understand how systems work. Fundamentals are not negligible. You can't run from it, hide from it. Here are 25 questions (51-75) that will help you with the fundamentals that you should master before…

makakmayumjava's tweet image. Do not sleep on System design if you are preparing for interviews.
You have to understand how systems work.
Fundamentals are not negligible.
You can't run from it, hide from it.

Here are 25 questions (51-75) that will help you with the fundamentals that you should master before…

25 Questions I would master and ask myself again and again before any backend design interview part ll (26 - 50): Core Distributed Systems & Scalability 26. How do I design APIs so they can evolve without breaking clients? 27. How do I handle idempotency for write APIs? 28. How…



Interview Questions @ Infosys | Java Developer | Technical Round | Dec 2025 (Reported on 4 Dec) Q1: Why is String immutable? Q2: StringBuilder vs StringBuffer Q3: Differences between List, Set, Map Q4: What is WeakHashMap? Q5: Explain OOP principles Q6: SQL JOIN types Q7: What…

Interview Questions @ PayPal | Senior Java Backend | Round 2 | Dec 2025 (Reported on 5 Dec) Q1: Explain Spring Boot auto-configuration Q2: G1 GC internal working Q3: Design URL Shortener (HLD) Q4: Exception hierarchy & best practices Q5: ThreadLocal vs synchronized Q6: How does…



Just got done with the interview✅️ It was great 1st round Completed. What was asked in the interview: >OOPs in detail >Real World analogy of OOPs >Java features >Why Java is better. >Java 8 features >SQL Joins >2 Codes. >HR related Let's see what happens now 🤞


Interview Questions @ PayPal | Senior Java Backend | Round 2 | Dec 2025 (Reported on 5 Dec) Q1: Explain Spring Boot auto-configuration Q2: G1 GC internal working Q3: Design URL Shortener (HLD) Q4: Exception hierarchy & best practices Q5: ThreadLocal vs synchronized Q6: How does…

Interview Questions - JP Morgan Chase | Java Developer | Round 1 | Dec 2025 (Reported on 6 Dec) Q1: Difference between Comparable & Comparator Q2: Write a thread-safe Singleton Q3: Sort a Map by keys/values Q4: Explain Java Memory Model Q5: What is try-with-resources? Q6:…



Interview Questions - JP Morgan Chase | Java Developer | Round 1 | Dec 2025 (Reported on 6 Dec) Q1: Difference between Comparable & Comparator Q2: Write a thread-safe Singleton Q3: Sort a Map by keys/values Q4: Explain Java Memory Model Q5: What is try-with-resources? Q6:…

Interview Questions @PayPal | Java Backend | Dec 2025 (Reported on 6 Dec) Q1: Difference between ThreadLocal & synchronized? Q2: Explain Spring Boot auto-config with an example. Q3: How does GC work in G1? Q4: Design a URL Shortener (HLD). Q5: Code: Check if two trees are…



These are solid questions that really probe into core Java and system design concepts. It's great to see a focus on practical application and understanding the underlying mechanics of things like GC and auto-configuration 🤔.


Interview Questions @PayPal | Java Backend | Dec 2025 (Reported on 6 Dec) Q1: Difference between ThreadLocal & synchronized? Q2: Explain Spring Boot auto-config with an example. Q3: How does GC work in G1? Q4: Design a URL Shortener (HLD). Q5: Code: Check if two trees are…


18. DSA for Interviews (Java) – [Prepare for coding interviews](scaler.com/topics/course/…) No matter your current skill level, these courses are a fantastic way to start or advance your tech career.


Your system design knowledge, explaining: - gRPC - CDNs - WebSockets - Rate Limiting - API Gateways - Microservices - Redis Caching - Load Balancers - Message Queues - Database Sharding - Consistent Hashing - Eventual Consistency - Distributed Tracing - Horizontal Scaling -…


I don't think many companies would accept an answer without failure scenarios


5 beginner level Java Generics Interview Questions, how many can you answer ? 1. What is the difference between Object<?> and Object in Java? 2. What is the difference between List<?> and List<Object>? 3. What is the difference between List<? extends Number> and List<? super…


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