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How long does it take to learn Java as soon as possible? Can you find a job after studying?

Study Java It takes a systematic process , Different learning directions need different learning time . at present Java It is widely used in Web Development 、 Big data development 、Android Development and various back-end service development fields , Usually , Study Java From the Web Development begins to learn , Of course, the premise is that you have mastered the basic part .

Java Web Development needs to learn three parts , Namely Java Basic grammar 、Java Web Foundation and framework development .Java The basic grammar part is learning Java The key points and difficulties of language , We need to focus on mastering the class 、 object 、 attribute 、 Method 、 encapsulation 、 Inherit 、 Some concepts such as polymorphism , In addition, a lot of experiments are needed , We need to master a series of experimental methods , This part of study usually takes about a month .

Java Web The content that development needs to learn is divided into front-end development and back-end development , Front end development needs to learn HTML、CSS and JavaScript, among JavaScript It's the focus of learning . Back end needs to learn Java Servlet as well as MVC Processing framework , In addition, we need to learn Web Container processing mechanism and database operation details . Although this part of the content is not difficult , But there are so many details , This part of study usually takes about a month .

Java The framework part is also a learning focus , For beginners, we can learn from Spring Frame start .Spring After years of development, the framework has formed a huge program system , at present SpringMVC、SpringBoot、SpringCloud Widely adopted , from SpringBoot It's also a good choice to start . The study of this part needs to complete a lot of experiments , It usually takes about a month .

In control Java Web After developing content , If you want to move towards big data , You still need to learn Hadoop Platform related knowledge ,Hadoop The ecosystem of the platform is also complex , Include Hbase、Hive、Pig、Mahout、Zookeeper、Avro And so on , To finish Hadoop The introduction of the platform also needs to be about 3 About months .

After learning Java After the basic content of , Be sure to exercise and improve through practical projects ,Java As a tool , Only in the process of use can we gradually deepen .

 

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