LetMePass · Backend Developer (Java / Spring)
Backend Developer (Java / Spring) Interview Questions
Practice 818 real Backend Developer (Java / Spring) interview questions — collected from actual interviews, scored by an AI interviewer with a topic-by-topic breakdown.
What interviewers ask about
Spring Boot autoconfiguration and starters
Integration testing (Spring Boot Test)
Repositories and derived queries
Threads and Runnable
synchronized, locks and volatile
Equals, hashCode and immutability
Caching and the N+1 problem
Java Memory Model and happens-before
Sample questions from the bank
Explain Serialization and Deserialization.
Source: github.com · used under the source license (incl. CC BY-SA where applicable), attribution preserved
What are pass by reference and pass by value?
Source: github.com · used under the source license (incl. CC BY-SA where applicable), attribution preserved
What differences exist between HashMap and Hashtable?
Source: github.com · used under the source license (incl. CC BY-SA where applicable), attribution preserved
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