Java Beginner: Introduction to Beginners

As a beginner in Java, or if you've never learned any computer language, and of course you haven't or just heard Java, then it's necessary to get a quick look at Java, so what is Java?

There is no doubt that Java is an excellent computer language, its development history and practical application you can almost find in any book or related website. But in my experience, if you are a beginner, after reading those marvellous introduction, in addition to feel confused, inexplicably produce a kind of admiration, you still do not know what Java is.

Here, I do not want to copy those books or the introduction of the site, I just want to tell you as a beginner, Java and other programming languages are not the essential difference, and all programming languages, Java is also used for human and computer communication tool. Language, is used to communicate, computer language is no exception, but is used for human-computer communication.

Human-machine communication, also called human-computer interaction, in fact, this is nothing, for example, you turn on the computer, then the Internet, play games, do homework, these, are human-computer interaction. But the problem is, most of us are using the program that someone else has set up to use the computer, we use QQ, using Windows, using our own calculator to calculate the simple math, if you want the computer to listen to you better, rather than just use other people's software? For example, you want to give the computer two number A, a, and then let the computer calculate sin (a) + sin (b) + A * b? What if you want to design a database application of your own? You want to write an Android app, you want to write a website ... , then you need to use the computer language to program yourself.

So, you just need to know that Java is a discipline, a tool, a computer language. If you're at school, it's just like math, it's a lesson you need. If you work and do programming, that's the tool you use to eat. If you like programming, like logic, it's your toy, and occasionally it can be a tool for you to show off.

In short, before you learn Java, it is necessary to simply read the introduction, to try to understand what it looks like or to fully understand what is being said, but it is unnecessary and trouble-free. Good reading, superficial understanding, first browse, understand probably return to read, so as to learn, not only Java, any knowledge, is so.

Java Beginner: Introduction to Beginners