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Here, we cover everything, including core Java concepts, Object-Oriented Programming (OOP), multithreading, exception handling, design patterns, Java Collections, and more, that will surely help you to crack Java interviews. Along with these interview questions you can also try Java course to enhance your Java concepts.
The core Java interview questions are categorized in Basics of Java interview questions, OOPs interview questions, String Handling interview questions, Multithreading interview questions, collection interview questions, JDBC interview questions, etc.
The following article will cover all the popular Core Java interview questions, String Handling interview questions, Java 8 interview questions, Java multithreading interview questions, Java OOPs interview questions, Java exception handling interview questions, collections interview questions, and some frequently asked Java coding interview ...
Core Java Questions for Beginners. Q1. Is Data Passed by Reference or by Value in Java? Q2. What Is the Difference Between Import and Static Imports? Q3. Which Access Modifiers Are Available in Java and What Is Their Purpose? Q4. Which Other Modifiers Are Available in Java and What Is Their Purpose? Q5.
Comprehensive, community-driven list of essential Java interview questions. Whether you're a candidate or interviewer, these interview questions will help prepare you for your next Java interview ahead of time.
Basic Java Interview Questions. 1. What is Java? Java is an object-oriented, high-level, general-purpose programming language originally designed by James Gosling and further developed by the Oracle Corporation. It is one of the most popular programming languages in the world. 2. What is the Java Virtual Machine?
1. What features do you know or use in Java 8? Here you can list down all the key features of Java 8 like, Functional Interface. Lambda Expression. Stream API. CompletableFuture. Java DateTime API. Method Reference. Comparable and Comparator. Optional Class.