With the advent of the information age, computer technology changes with each passing day, and various emerging technologies emerge one after another. In this rapidly changing era, it is an essential quality for a programmer to constantly learn and adapt to new technologies. For those who want to engage in Java development, the threshold is relatively low, but if you want to have a long-term career plan, you need to carefully plan your career development.

What skills does Java need to master?

Java？ Fundamentals of programming languages? Learning the basis of Java programming language is the first step to switch to Java development. Understanding Java syntax, commonly used data structures and algorithms, and object-oriented programming ideas are all necessary knowledge.

Web？ Development framework? : Java's Web frameworks are very rich, such as Spring, mybatis, SpringMVC, SpringBoot, SpringCloud and so on. It is necessary to learn one of the frameworks and master its usage.

Database? Java development is closely related to database. You need to know the basic concepts of database and SQL language, and at the same time you need to master at least one method of using database.

Version control tool? Mastering version control tools, such as Git and SVN, can help you better manage your code and collaborate in development.

It's never too late to study. If you want to learn a skill well, it must be difficult at first. As long as you find a learning method and correct learning method, you will get twice the result with half the effort, quickly master various Java technologies and become a qualified Java software engineer.