How to get started with Java? 0How to learn Java more efficiently? Java is a veteran programming language with a solid mass base and broad market applications, and the salary of employees is generally higher. Many people want to join the ranks of Java development, but how do you learn Java without a foundation? The following is the relevant information compiled by Qian Feng editor.
Since the birth of the Java language, it has always been in a leading position, and it is indispensable whether it is a website or a mobile terminal. Java programmers are recruiting many positions on major recruitment websites. According to data provided by 23,339 employees from 19,911 companies across the country, the average monthly salary of Java developers nationwide is 7,838 yuan.
Many students who learn Java with zero foundation want to know how to learn more efficiently? I think that learning Java requires a systematic process, and according to your future job direction, learning also has its own focus. At present, the employment direction of Java includes web development, big data development, Android development and various back-end service development fields, but no matter which one you choose, you must learn from the most basic knowledge points.
Java basic knowledge points are many and complicated. Beginners need to know what Java identifiers, comments, Java keywords and what are constants and variables at the beginning; they must focus on classes, objects, attributes, methods, packaging, A series of concepts such as inheritance and polymorphism; in addition, a lot of experiments need to be done, and a series of experimental methods need to be mastered.
After completing the basic part of the course, you need to learn advanced knowledge points, for example, you need to learn JavaWeb-related knowledge (HTML, CSS and JavaScript) and Java Servlet and MVC processing framework. Among them, the Spring framework is a knowledge point that must be mastered. Currently Spring MVC , SpringBoot, SpringCloud are widely used, and it is also a good choice to learn from SpringBoot.
If you want to work in the direction of big data, after completing the basic and advanced stages of Java, you also need to learn the relevant knowledge of the Hadoop platform. The ecosystem of the Hadoop platform is also more complex, including Hbase, Hive, Pig, A series of contents such as Mahout, Zookeeper, Avro, etc.
It can be seen that there are many knowledge points to learn from Java from entry to advanced. In addition, it is not enough to learn the theory only. You also need to accumulate the corresponding project development experience. This makes many people who learn Java with zero basis very distressed, but not There is no solution. For example, you can choose a professional study.