What is java? || What is Java technology and why do I need it?

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Java is a high-level, object-oriented programming language that is used to develop a wide range of applications, including web applications, mobile apps, desktop software, games, and enterprise applications. Sun Microsystems originally developed it in the mid-1990s and is now owned by Oracle Corporation.

Java is known for its "write once, run anywhere" philosophy, which means that Java code can be compiled into platform-independent bytecode that can be run on any device or operating system that has a Java Virtual Machine (JVM) installed. This makes it a popular choice for cross-platform development.

Java is also known for its strong emphasis on security, with features such as a built-in security manager and automatic memory management to help prevent common programming errors that can lead to security vulnerabilities.

Java is widely used in the tech industry, with many large companies relying on it for their critical software infrastructure. It has a large and active community of developers, which means that there are many libraries, frameworks, and tools available to help simplify and streamline the development process.