Java is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible). It is a general-purpose programming language intended to let programmers write once, run anywhere (WORA), meaning that compiled Java code can run on all platforms that support Java without the need to recompile). Java is widely used for coding web applications, mobile apps, enterprise software, big data applications, server-side technologies, and more.

Some key features of Java include:

• Portability: Java is designed to be portable, meaning that compiled Java code can run on all platforms that support Java without the need to recompile).

• Object-oriented: Java is an object-oriented programming language, meaning that all code is written inside classes, and every data item is an object, with the exception of the primitive data types).

• Java Virtual Machine (JVM): Java applications are typically compiled to bytecode that can run on any Java virtual machine (JVM) regardless of the underlying computer architecture).

• Syntax: The syntax of Java is similar to C and C++, but has fewer low-level facilities than either of them).

Java is a two-stage programming language, meaning that it is a compiled language and an interpreted one. The Java code compiler is called the Java Virtual Machine (JVM), and any Java file is first compiled into bytecode. Java bytecode can only run in the JVM, which then interprets the bytecode to run it on the underlying hardware platform.

Java is widely used in many industries for creating software applications, and it has a large community support with tens of millions of developers. It is easy to learn and simple to use, making it a popular choice among developers.