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Discover our expert articles to master technologies and ace your technical interviews

Spring Batch 5 Interview: partitioning, chunks and fault tolerance
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Spring Batch 5 Interview: Partitioning, Chunks and Fault Tolerance

Ace your Spring Batch 5 interviews: 15 essential questions on partitioning, chunk-oriented processing, and fault tolerance with Java 21 code examples.

GraalVM Native Image with Spring Boot 3: AOT compilation and performance optimization
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GraalVM Native Image with Spring Boot 3 in 2026: AOT Compilation Step by Step

Complete guide to compile Spring Boot 3 applications to native images with GraalVM. AOT configuration, optimizations, and production deployment.

Spring Cloud Gateway: interview questions on routing, filters and load balancing
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Spring Cloud Gateway Interview: Routing, Filters and Load Balancing

Master Spring Cloud Gateway for technical interviews: 12 questions covering routing, filters, load balancing and API Gateway patterns with code examples.

Spring Boot integration testing with Testcontainers and PostgreSQL, Redis, Kafka
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Testcontainers Spring Boot: Painless Integration Testing

Complete guide to configuring Testcontainers with Spring Boot 3.4. PostgreSQL, Redis, Kafka in Docker containers for reliable, reproducible integration tests.

Spring Boot Transaction Propagation: interview questions and practical examples
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Spring Boot Interview: Transaction Propagation Explained

Master Spring Boot transaction propagation: REQUIRED, REQUIRES_NEW, NESTED and more. 12 interview questions with code examples and common pitfalls.

Solving the N+1 problem with Spring Data JPA using fetch join and EntityGraph
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Spring Data JPA N+1 Query Solutions in 2026: Fetch Join and EntityGraph

Complete guide to detecting and fixing the N+1 problem in Spring Data JPA. Fetch join, @EntityGraph, batch fetching, and query performance strategies.