Explain Java collection choices for concurrent read-and-write workloads and their performance tradeoffs.
BrowserStack · 3-4-years · 0 answers
Year not specified · Java, Software Engineering
Software Engineering interview questions
Explore software engineering interview questions shared by candidates. Read available community answers and practise for your next interview.
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Questions
How would you debug a production race condition in a concurrent Java order-processing workflow?
Paytm · 3-4-years · 0 answers
Year not specified · Java, Software Engineering
Explain hexagonal architecture in Java and when extra ports and adapters add more complexity than value.
Zomato · 3-4-years · 0 answers
Year not specified · Java, Software Engineering, System Design
How do you protect a Java service from slow dependencies using timeouts, retries, bulkheads, and circuit breakers?
Zomato · 3-4-years · 0 answers
Year not specified · Java, Microservices, Software Engineering
Explain equals and hashCode in Java and the production bugs caused by an inconsistent implementation.
CRED · 3-4-years · 0 answers
Year not specified · Java, Software Engineering
How would you add distributed tracing, structured logging, and correlation IDs across Java microservices?
Flipkart · 3-4-years · 0 answers
Year not specified · Java, Microservices, Software Engineering
How would you version a public Spring Boot API without breaking existing web and mobile clients?
PhonePe · 3-4-years · 0 answers
Year not specified · Java, Spring Boot, Software Engineering
Explain immutability in Java using records and final fields, including its value in API models.
PhonePe · 3-4-years · 0 answers
Year not specified · Java, Software Engineering
How would you investigate high heap usage, garbage collection pauses, and memory leaks in a JVM service?
PhonePe · 3-4-years · 0 answers
Year not specified · Java, Software Engineering
What is the correct way to implement consistent exception handling and Problem Details in Spring Boot?
Razorpay · 3-4-years · 0 answers
Year not specified · Java, Spring Boot, Software Engineering
Explain CompletableFuture and Java virtual threads, including cancellation and blocking-call risks.
Freshworks · 3-4-years · 0 answers
Year not specified · Java, Software Engineering
Explain singleton, prototype, request, and session bean scopes in Spring with practical failure examples.
Freshworks · 3-4-years · 0 answers
Year not specified · Java, Spring Boot, Software Engineering
Explain Java streams and lazy evaluation, and identify cases where a normal loop is clearer or faster.
Zoho · 3-4-years · 0 answers
Year not specified · Java, Software Engineering
Explain the equality and hashing rules for C# classes and records, and how mistakes affect dictionaries and sets.
BrowserStack · 3-4-years · 1 answers
Year not specified · .NET, C#, Software Engineering
How would you investigate a production-only race condition in an asynchronous C# order workflow?
Paytm · 3-4-years · 1 answers
Year not specified · .NET, C#, Software Engineering
Explain clean architecture in .NET and identify signs that the abstraction layers have become unnecessary ceremony.
Zomato · 3-4-years · 1 answers
Year not specified · .NET, Software Engineering, System Design
How do you make a .NET API resilient to a slow or failing third-party service using timeouts, retries, and circuit breakers?
Zomato · 3-4-years · 1 answers
Year not specified · .NET, Microservices, Software Engineering
Explain C# delegates, events, and Func or Action with an example from a real application.
CRED · 3-4-years · 1 answers
Year not specified · .NET, C#, Software Engineering
How do React error boundaries and ASP.NET Core error responses work together to create a resilient user experience?
CRED · 3-4-years · 1 answers
Year not specified · .NET, React, Software Engineering
How would you add distributed tracing, structured logs, and correlation IDs to a .NET microservices system?
Flipkart · 3-4-years · 1 answers
Year not specified · .NET, Microservices, Software Engineering