1. Large enterprises related to financial banks, securities companies and banks, such as China Construction Bank and Industrial and Commercial Bank;
2. Large enterprises related to communication and network: telecommunications, mobile, China Unicom and Netcom;
3. Large-scale management systems, such as customer management systems and supply chains.
2. Large websites mainly use JAVAEE, and the most typical examples are e-commerce trading platforms Alibaba and Taobao.
3. E-government/business, mainly using JAVAEE. Most information systems of government departments are developed in JAVA.
Games, many mobile games are developed in JAVA.
Verb (abbreviation of verb) embedded devices and consumer electronic products, mainly using JAVAME:
Wireless handheld devices, medical devices, communication terminals, information appliances (such as digital televisions, refrigerators, set-top boxes) and automotive electronic devices are popular Java application fields. An example of this application is ——UniJa, the wireless data value-added service based on Java technology in CDMA 1X network of China Unicom.