How to learn Java--a classic and authoritative guide to zero-level JavaScript

From entry to proficiency, the latest authoritative Java growth path, a classic manual for getting started with JavaScript. In view of personal experience, the Java technology learning path is temporarily divided into the following five stages. Each stage will involve many other related technologies. The learning sequence of the five stages may not be followed exactly, but it can be adjusted accordingly according to your own learning progress.

Java R&D Technology Growth Route

As a Java developer, I deeply feel that learning Java technology is a long process. I started as a Java novice, coupled with my perseverance and down-to-earth spirit, continuous theoretical study, and continuous technical practice, I finally became a technical leader. To quote a famous saying, "Those who have achieved great things in ancient and modern times must not only have extraordinary talents, but also have perseverance."

In view of personal experience, the Java technology learning route is temporarily divided into the following five Each stage will involve many other related technologies. The learning sequence of the five stages may not be followed completely, but it can be adjusted accordingly according to your own learning progress.

Delineate the learning requirements before starting to introduce the five stages

Mastery:In-depth study and Understanding, good problem-solving ability;

Proficient: Have systematic knowledge and application ability, and can better complete related work;

Master: Have basic knowledge structure and can use it to complete relevant work;

Understanding:Initial understanding and relevant learning experience.

The first stage: JavaSE from entry to advanced

This stage is a must for all introductory Java learners, and it is also an introductory stage. You must spend more time and consolidate it. Base. Proficient in basic Java knowledge; proficient in object-oriented; proficient in common tool APIs; proficient in using IDE tools;

Master and understand advanced Java.

The second stage: JavaWeb of JavaEE

This stage is for everyone who has learned the basics of Java and wants to continue learning B /S application development learners must go through the second stage, which is also the introductory and in-depth stage of JavaWeb. They need to spend a lot of time and lay a solid foundation in order to be able to learn the subsequent development framework like a fish in water. The learning requirements for this stage: master the basic HTML and CSS of the JavaWeb front-end ; Proficient in JavaWeb front-end basic JavaScript, jQuery; Proficient in JavaWeb basic Servlet related technologies; Proficient in JavaWeb advanced Jsp related technologies; Mastered JavaWeb advanced related technologies; Proficient in JavaWeb's JDBC related technologies

##The third stage: Mainstream development framework of JavaEE

This stage is required for all developers who have learned the basic technology of Javaweb and want to continue to learn the mainstream framework of B/S application development. After the third stage, only by being able to skillfully use these development frameworks can you be better qualified for daily work development. Of course, it is also an expansion of your own technical strength. It can be said to be an essential skill for Java back-end developers. Learning requirements for this stage: Proficient in Struts2; proficient in Spring; proficient in SpringMVC; proficient in Hibernate; proficient in Mybatis; proficient in Maven; proficient in SSH framework and SSM framework;

## Stage Four: Other Development Frameworks and Technologies of JavaEE

The other framework technologies mentioned in this stage are some technical frameworks that will be used in daily work projects. Although learning technology is more sophisticated, , but being able to skillfully use some development frameworks while being proficient in conventional technologies will make you feel more fulfilled. The requirement at this stage is to be proficient in using Mongdb, Oracle, Bootstrap, Easy Ui, and other technical frameworks, and check more information when using them.

The fifth stage: JavaEE distributed framework

Этот этап обычно предназначен для тех, кто работает 2-3 года. Если вы хотите продолжить техническое обучение, вы можете выбрать 1-2 направления для углубленного изучения. Не забывайте смотреть только на поверхность. Вы должны Знайте, что вы хотите, чтобы определенная технология стала вашим техническим преимуществом, ваше владение этой технологией должно превосходить мастерство большинства талантов. Если вы хотите отличаться и отражать отличие от других, вы должны выбрать область, которая вас интересует, или умеешь вникать и стать специалистом в этой области, только тогда тебя будут считать отличным и незаменимым. Если вы хотите стать экспертом в средах распределенного кэширования, вам следует сначала изучить основные платформы кэширования в стране и за рубежом. Обычно это занимает много времени. Наконец, вы можете запустить свою собственную структуру кэширования и работать автономно. Это область эксперт.

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