This book contains frequently asked questions and their answer/explanations on essential Java topics. You can use this book to revise all essential Java concepts before your interview quickly, and you can also use this book to learn Core Java in depth.

 Crack your Java interview by preparing important topics and mastering key concepts in a guided and structured way in a short time. Cracking a Java Interview is not easy, and one of the main reasons for that is Java is very vast. There are a lot of concepts and APIs to master to become a decent Java developer.

 Many people who are good at general topics like Data Structure and Algorithms, System Design, SQL, and Databases fail to crack the Java interview because they don't spend time learning the Core Java concepts and essential APIs and packages like Java Collection Framework, Multithreading, JVM Internals, JDBC, Design Patterns, and Object-Oriented Programming.

 This book aims to fill that gap and introduce you to classical Java interview questions on these topics. By going through these questions and topics, you will not only expand your knowledge but also get ready for your Next Java interview.

 This book is for programmers preparing for Java interviews. This book contains frequently asked questions and their answer/explanations on essential Java topics. You can use this book to quickly revise all essential Java concepts before your interview, both telephonic and face-to-face, and you can also use this book to learn Core Java in depth.

 This book contains frequently asked Java questions from essential topics like:

• Object-Oriented Programming
• Java Fundamentals
• Java Collections
• Java Multithreading
• Garbage Collection
• JDBC
• Generics
• Design Patterns
• Telephonic Interview Questions