Introductory knowledge points of JAVA for the Level 2 Computer Examination in March 2018: What can JAVA do
What can Java do
There are many things that Java can do, including programming all aspects of the field.
1: Desktop-level applications: especially desktop-level applications that require cross-platform.
Let’s first explain desktop applications: Simply put, they are programs whose main functions are run on our local machine. Applications such as word and excel that run on this machine are desktop applications.
2: Enterprise-level applications
Let’s first explain enterprise-level applications: Simply put, they are large-scale applications, generally with a large number of users and a large amount of data, which are detrimental to the stability of the system. There are relatively high requirements for safety, security, scalability and assemblability.
This is currently the most widely used field of Java, almost unique. Including various industry applications, enterprise informatization, and e-government, etc., the fields include: office automation OA, customer relationship management CRM, human resources HR, enterprise resource planning ERP, knowledge management KM, supply chain management SCM, enterprise equipment management system EAM, product life cycle management PLM, service-oriented architecture SOA, business intelligence BI, project management PM, marketing management, process management WorkFlow, financial management... and almost all applications you can think of.
3: Embedded devices and consumer electronics products
Including wireless handheld devices, smart cards, communication terminals, medical equipment, information appliances (such as digital TVs, set-top boxes, refrigerators), Automotive electronic equipment and other fields have become popular Java application areas in recent years, especially Java applications and Java games on mobile phones, which have become even more popular.
4: In addition to the above mentioned, Java also has many functions: such as performing mathematical operations, displaying graphical interfaces, performing network operations, performing database operations, performing file operations, etc.