What does java mean?

Java is an object-oriented programming language. It is a widely used computer programming language. It has the characteristics of cross-platform, object-oriented, and generic programming. It is widely used in enterprise-level Web App development and mobile app development. [Recommended study: java course]

Java not only absorbs the various advantages of the C language, but also abandons the concepts such as multiple inheritance and pointers that are difficult to understand in C. Therefore, the Java language has functions Powerful and easy to use. As a representative of static object-oriented programming languages, Java language perfectly implements object-oriented theory and allows programmers to perform complex programming with an elegant way of thinking.

Java has the characteristics of simplicity, object-oriented, distributed, robustness, security, platform independence and portability, multi-threading, and dynamics. Java can write desktop applications, Web applications, distributed systems and embedded system applications, etc.

Java is different from general compiled languages ​​or interpreted languages. It first compiles the source code into bytecode, and then relies on virtual machines on various platforms to interpret and execute the bytecode, thus having the cross-platform feature of "write once, run anywhere". In the early JVM, this reduced the running efficiency of Java programs to a certain extent. However, after the release of J2SE1.4.2, the running speed of Java has been greatly improved.

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