Java uses an object-oriented programming language. It not only absorbs the advantages of C++ language, but also abandons the concepts of multiple inheritance and pointers that are difficult to understand in C++. It is simple, powerful, distributed, robust, safe, platform-independent, portable, multi-threaded and dynamic.
As the representative of static object-oriented programming language, Java language can fully realize the object-oriented theory and let programmers write complex programs in an elegant way of thinking. Can write desktop applications, Web applications, distributed systems, embedded system applications.
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Technical application of Java
Applications in Android. Many Android applications are developed by Java programmers. Although Android uses different JVMs and different encapsulation methods, the code is written in Java language.
Application in financial industry. Java is widely used in financial services. Many third-party trading systems, banks and financial institutions choose to develop with Java because Java is relatively safe.
Space application in high frequency trading. Java platform improves the characteristics of the platform, enabling it to transmit data like compiling C++, and c++ has become the language for programmers to write trading platforms.
Baidu encyclopedia -Java