Java & Spring Boot Interview Prep Guide (240 Q&A)

Clear your next Java backend interview with an 89-page guide written by Anant Ghadi, a Java and Spring Boot developer with six years of experience. It covers 240 real interview questions with short model answers you can say out loud, plus the follow-up traps interviewers use to tell memorised answers from real understanding. Written for Java 17/21 and Spring Boot 3: records, sealed classes, virtual threads, the Jakarta namespace, Spring Security 6, ProblemDetail errors and Testcontainers. Includes Core Java, concurrency, JVM and GC, Spring, JPA/Hibernate, security and JWT, microservices and Kafka, SQL and testing, 15 coding problems with Java solutions compiled and run on JDK 21, 7 backend system design scenarios, an HR-round chapter, a 30-day plan and a final checklist. Format: A4 PDF with code highlighting and clickable contents.