Java is a high-level, object-oriented programming language developed by Sun Microsystems in 1995, known for its platform independence and robust features. Key concepts include memory management, exception handling, and the importance of OOP principles. Preparing for Java interviews requires a solid understanding of these fundamentals and common interview questions.

1. Introduction
to Java
Java Interview Questions Simplified
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2. • Java is a high-level, object-oriented programming language.
• Developed by Sun Microsystems (now Oracle) in 1995.
• Known for platform independence (Write Once, Run Anywhere).
• Widely used for web, desktop, and mobile applications.
What is Java?

3. • Object-Oriented: Supports OOP principles (Inheritance,
Polymorphism, Encapsulation, Abstraction).
• Platform Independent: Java bytecode runs on any JVM.
• Robust: Built-in memory management and exception handling.
• Secure: Features like bytecode verification and secure class
loading.
• Multi-threaded: Supports concurrent programming.
Key Features of Java

4. • What are JVM, JRE, and JDK? Explain their differences.
• Why is Java considered platform-independent?
• What is the significance of the "main" method in Java?
• How does Java achieve memory management?
• What is the difference between "==" and ".equals()" in Java?
Java Interview Questions

5. • Understanding Java basics is crucial for interview success.
• Focus on OOP concepts, memory management, and key
features.
• Practice common Java interview questions and coding
challenges.
Conclusion