Top 50+ Core Java Interview Questions with Answers

1. What is Java? Java is a high-level, object-oriented programming language widely used for developing applications and software.
2. What are the main features of Java? The main features of Java include platform independence, object-oriented programming, robustness, security, and simplicity.
3. What is the difference between JDK, JRE, and JVM? JDK (Java Development Kit) is a software development kit that includes the tools necessary for developing and running Java applications. JRE (Java Runtime Environment) is a runtime environment that provides the necessary libraries and components to run Java

Core Java Interview Questions with Answers

Bubble Sort Program in Java

Coding Guidelines in Java

Difference between Java Servlet and CGI

Java Coding Standards

Servlet JSP Interview Questions for Java

Unicode System in Java

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What is a class in Java?

What is a JIT compiler?

What is Bytecode in Java?

What is Bytecode in Java?