What are the employment directions of java?

1. Java development engineer refers to a programmer who uses Java to complete the program design, development, testing, maintenance and upgrade of products. The main work is to complete the software design, development, testing and bug modification, including the communication of business requirements, detailed design of functional modules, business function realization, unit testing and system maintenance; Participate in product concept and architecture design; Write relevant technical documents; Support pre-sales technical services; Support the application service of the project to the product.

Second, big data engineers, big data is also a hot direction now. Java Big Data is an upgraded version of Java. Big data is based on Java, and the knowledge points to be learned are Linux, Docker, KVM, MySQL Foundation, Oracle Foundation, MongoDB and redis. Hadoop: Hadoop: Hadoop concept, version, history, working principle of HDFS, yarn introduction, component introduction, etc.

Third, Java test engineers, Java test engineers need to have a solid theoretical foundation of Java software testing, be familiar with test methods and test processes, and be proficient in writing test cases and executing test cases. The scope of the test is very wide. The primary test is the understanding of the business, and the advanced one must master the tools and development knowledge.

Fourth, the Internet Java architect, it can be said that every Java programmer wants to be a Java architect, which is the goal of Java developers. However, it takes a long time to grow from a basic programmer to an architect. This process is extremely difficult and needs to be accumulated in the course of work.

Summary:

All these things need to be accumulated. In the early stage, I was more of a small programmer. At first, I just watched videos released by dark horse programmers, and slowly got up, and my work experience became pure advanced development.