1. Network basics: The network and computer components, operating systems, and transmission processes are closely related. Understanding the network basics can make you feel comfortable in the development process. 2. Requirement Analysis: for software engineering, requirement analysis is the starting point of the project and the most important part of the entire project. If you make a mistake, the direction of the entire project will be wrong. 3. DI (independent injection): the implementation framework of DI or IoC (Inversion of Control) Spring makes it easier for you to create objects, especially for large enterprise-level projects. 4. UML diagram: UML diagram is a common software design and analysis language. If you haven't made a UML diagram while developing the software, you will feel that it is not software engineering at all. 5. data structures and algorithms: a deep understanding of basic data structures such as arrays, lists, stacks, trees, graphs, and collections, and using good algorithms in key parts of the software development process. In this way, the entire software logic will be clear.
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