Java is a high-level, class-based, object-oriented programming language developed by Sun Microsystems (now owned by Oracle) in 1995. It is designed with the principle of “Write Once, Run Anywhere” (WORA), meaning compiled Java code can run on any platform that has a Java Virtual Machine (JVM), making it highly portable and cross-platform. Java is known for its robustness, security, and scalability, which makes it suitable for a wide range of applications from small desktop programs to large-scale enterprise systems. Its object-oriented nature allows developers to design modular, reusable, and maintainable code using concepts such as encapsulation, inheritance, polymorphism, and abstraction. The language provides a rich standard library that supports data structures, networking, database connectivity, graphical user interfaces, and more. Additionally, Java supports multithreading, enabling concurrent execution of tasks, which improves performance in applications that require simultaneous operations.