Welcome to "Cracking The Java Interviews with Sumit", a comprehensive guide designed to help Java developers—whether you're a junior, mid-level, or senior professional—master the key topics required to ace Java interviews.

This ebook is packed with detailed explanations, real-world examples, and tricky scenario-based questions that cover everything from the core fundamentals to advanced Java topics.

As the demand for skilled Java developers continues to grow, so does the complexity of the interview process. Interviewers today are not just looking for candidates with a basic understanding of Java, but those who can apply their knowledge to solve complex problems. This ebook is structured to help you build the depth of knowledge and confidence necessary to tackle these challenges.

SOME REVIEWS FROM THE READERS :

In this ebook, you’ll explore:

Core Java Concepts: Solidify your understanding of object-oriented programming, static keywords, Java collections, exception handling, and more.

Advanced Java Topics: Dive into multithreading, memory management, design patterns, and new features introduced in the latest versions of Java.

Real Interview Questions: Experience real-world interview reports, tricky output-based questions, and complex microservices scenarios commonly asked in top companies.

Resume and Interview Tips: Get practical advice on how to present your skills and experience effectively to catch the attention of interviewers.

This guide will not only prepare you for the tough technical questions but also help you excel in your overall interview strategy. Below is the table of contents that outlines what you can expect from each chapter.

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Table of Contents

Chapter 1: JAVA Interviews Evolution ................................. 5

Chapter 2: OOPS .................................................................. 9

Chapter 3: Core Java .......................................................... 30

Chapter 4: static keyword ................................................... 62

Chapter 5: Java Collections ................................................ 71

Chapter 6: Exception Handling ........................................... 92

Chapter 7: Enums ............................................................. 108

Chapter 8: Serialization .................................................... 114

Chapter 9: Generics .......................................................... 123

Chapter 10: Java Memory management ............................ 133

Chapter 11: Output based ................................................. 150

Chapter 12: JAVA 8 ......................................................... 158

Chapter 13: Java New Versions features ........................... 175

Chapter 14: Java Multithreading ....................................... 180

Chapter 15 : Junit ............................................................. 219

Chapter 16: JAVA Spring/ SpringBoot ............................. 221

Chapter 17: Hibernate....................................................... 294

Chapter 18: Java Messaging ............................................. 312

Chapter 19: Java Microservices ........................................ 326

Chapter 20: Java design patterns & principles ................... 375

Chapter 21: Some common Database Questions ................ 397

Chapter 22 : Common Java Stream Coding Problems ........ 422

Chapter 23 : Fifteen Methods that interviewers love .......... 433

Chapter 23: RESUME TIPS ............................................. 439

Chapter 24: REAL INTERVIEW REPORTS .................... 446

Chapter 25: My Story ....................................................... 491

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Whether you're preparing for an interview at a startup, a tech giant, or a major investment bank, this ebook will be your trusted guide. Dive into each chapter to gain the knowledge and insights you need to succeed.

This book is not just a collection of questions and answers. It is a meticulously crafted resource that aims to provide deep insights into the nature of Java interviews. Sumit, with years of experience both as a candidate and as an interviewer, brings a unique perspective that bridges the gap between theoretical knowledge and practical application.

In addition to the technical content, this book offers some valuable real interview reports.