Introduction to Java

Java is a versatile and widely-used programming language known for its platform independence, robustness, and extensive ecosystem. Originally developed by Sun Microsystems in 1995, Java has since become one of the most popular languages for software development, powering everything from mobile apps and web servers to enterprise systems and scientific applications.

One of Java's defining features is its platform independence, achieved through the use of the Java Virtual Machine (JVM). Java programs are compiled into bytecode, which can be executed on any device with a compatible JVM, regardless of the underlying hardware or operating system. This "Write Once, Run Anywhere" (WORA) capability enables developers to create software that can run seamlessly across different platforms.

Java is also an object-oriented programming (OOP) language, emphasizing the use of objects to model real-world entities and interactions. It supports key OOP concepts such as encapsulation, inheritance, and polymorphism, which facilitate code reuse, modularity, and maintainability.

Security is another core aspect of Java. It incorporates built-in security features such as bytecode verification, sandboxing, and automatic memory management, which help prevent common security vulnerabilities and ensure the integrity of Java applications.
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