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Ready to learn Java? This book combines puzzles, strong visuals, mysteries, and soul-searching interviews with famous Java objects to engage you in many different ways.
Learn the difference between HashMap and ConcurrentHashMap in Java. Covers thread safety, internal locking, atomic operations, common mistakes and real production examples.
Randhir Kumar
Prepare for your next Java interview with the most asked Java interview questions for 6+ years of experience. Master Core Java, Java 8, Collections, Multithreading, JVM, Memory Management, Streams, Design Patterns, Spring Boot, and real-world coding scenarios.
Randhir Kumar
Learn SOLID Principles in Java with simple explanations, real-world examples, Java code, interview questions, and best practices. Understand S, O, L, I, and D principles to write clean, scalable, and maintainable object-oriented applications.
Randhir Kumar
Learn how to solve the Move Zeroes in Array Java interview question using an optimized two-pointer approach. Includes problem statement, examples, dry run, Java code, time complexity, and interview tips.
Randhir Kumar
Learn exception handling in Java from scratch. Covers try-catch-finally, checked vs unchecked exceptions, throw vs throws, custom exceptions and best practices.
Randhir Kumar
Learn how HashMap works internally in Java with practical examples. Understand hashCode(), equals(), buckets, collisions, resizing, and HashMap performance.
Randhir Kumar
Learn Garbage Collection in Java with simple explanations, real-world examples, JVM memory management, GC algorithms, Heap vs Stack, object lifecycle, and interview questions. A complete beginner to advanced guide.
Randhir Kumar
Ready to learn Java? This book combines puzzles, strong visuals, mysteries, and soul-searching interviews with famous Java objects to engage you in many different ways.
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