JAVA, JVM, JDK & JRE

Java Interview concepts

Java is a popular, versatile, and widely-used programming language known for its simplicity and robustness.

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Below some of the key features of the Java language:

1. Object-Oriented

Java follows the object-oriented programming (OOP) paradigm, where everything is treated as an object. Key OOP concepts like inheritance, polymorphism, encapsulation, and abstraction are integral to Java, making it highly modular and reusable.

2. Platform Independence (WORA)

Java is known for its “Write Once, Run Anywhere” (WORA) philosophy. Java programs are compiled into platform-independent bytecode, which can run on any system that has a Java Virtual Machine (JVM). This makes Java portable across different operating systems (Windows, Linux, macOS, etc.).

3. Simple and Easy to Learn

Java has a clear and easy-to-understand syntax that is similar to C and C++. However, Java simplifies many complex features like…