What can java do?

Students who are preparing to enter the IT industry and Java may have some doubts about the application of Java. What can Java do? The following article will introduce it to you, I hope it will be helpful to you.

What can java do?

1. Big data development

The field of big data is a field that has been frequently talked about in recent years. Nowadays, society is a rapidly developing society, with advanced technology and convenient life, especially in information communication. Big data is the product of this era. Java can also be accessed in the hot and high-paying field of big data, and big data technologies all use Java to varying degrees. [Recommended learning: java course]

2. Android application development

If you want to know where Java applications are, open your Android phone or any App, they It is entirely written in the Java programming language with Google's Android API, which is very similar to the JDK. A few years ago, Android just started to take off, but today, many Java programmers are Android App developers. By the way, although our previous article mentioned how Android App works, that is, Android uses a different Java virtual machine and different packaging, the code is still written in Java.

3. Website field development

Java is also widely used in e-commerce and website development. There are many RESTfull architectures you can use, which are developed using Spring MVC, Struts 2.0 and similar frameworks. Even simple Servlets, JSP and Struts are popular in various government projects. Many websites in government, medical, insurance, education, national defense and other departments are built on Java.

4. Software tool development

Many commonly used software and development tools are written and developed using Java. Such as Eclipse, IneteliJIdea and Netbans IDE. Trading Systems Third-party trading systems, now a large part of the financial services industry, are also written in Java. For example, the popular trading platform Murex is also written in Java and is connected to many bank front desks to provide services.

5. Development in the embedded field

Java has great room for development in the embedded field. On this platform, you only need 130KB to use Java technology (on a smart card or sensor).

Originally, Java was designed to work on embedded book devices. In fact, this is just one area. This was just a "write once, play anywhere" project, and now it looks like this.

6. Server program development used in the financial industry

Java is widely used in the financial services industry. Many multinational investment banks such as: Goldman Sachs (Goldman Sachs Investment), Citigroup (Citigroup) , Barclays (Barclays) and other banks use Java to write front-end and back-end electronic trading systems, settlement and confirmation systems, data processing projects and other projects.

In most cases, Java is used for server-side development, but most of them do not have any front-end. They usually receive data from a server (upper level), process it and send it to another processing system (next level). level processing). Java Swing technology is designed to develop visual interface clients for traders to use. However, with the rise of C# in recent years, programmers have abandoned cumbersome code when developing clients. C# is slowly replacing Swing. Become the mainstream of visual development.

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