Java Installation Tutorial (Eclipse)
Directory:
There are two steps to installing Java:
Installation of 1.JDK
Installation of 2.Eclipse
3.Eclipse Chinese
4.Eclipse creating a simple Java Project
The order of 1 and 2 cannot be reversed, of course you can download the configured ecipse directly
1. Installation of JDK
1. Determine if the system is 32-bit or 64-bit
This is important, because if you install the wrong, you completed the follow-up operation, you go to the official website to download the exe file, when you open, he will appear in Java for Windows Missing and open a Web page for you.
2. Delete the previous version of the JDK
(If this is the first installation you can skip this step directly)
If the previous version of the JDK is not uninstalled, the installation process may be stuck (this is important)
I take Win10 as an example:
Java uninstall with programs and functions, including control Panel, right-click menu Java SE Development
3. Download
Baidu JDK directly on the 64-bit, Baidu to promote the installation package can be
Click the normal download can
4. Installation
(All right, this is a picture of Baidu)
Install the directory yourself, you can default, this to remember, because the subsequent configuration environment variables will be used to
After half of the installation, it jumps out
This is a folder that you can easily install next to.
5. Configure Environment variables
Advanced system settings, System, right-click menu
Select Environment variables
Click on the system variable below新建
Variable name: java_home
Address is just above the JDK address,
As mine is: E:\JDK\JDK
Next, set the CLASSPATH property, variable name: CLASSPATH,
Variable value:.; %java_home%\lib\dt.jar;%java_home%\lib\tools.jar; At this point, it is important to note that there is a first.;, remember,%java_home% represents E:\JDK\jdk this path.
Then set the Path property, variable name: path, variable value:%java_home%\bin;%java_home%\jre\bin;, this property is generally there, just add it, pay attention to the problem of semicolons.
After these, the configuration is completed, depends on whether the success can be entered in cmd javac
or inputjava -version
With all of this, congratulations, you've done it.
installation of 2.Elipse
1. Download
Baidu, enter the official website
I chose this version.
Click the Yellow
Click and click here
start to enter the download
2. Installation
Open the downloaded. exe, select the installation directory, clickLAUNCH
When you are finished, you can open eclipse.
3.Eclipse Chinese1. Explicit version
Open Eclisp Installation location, select the Readme folder
Open, you can see an HTML file, open his browser
Then you can see your version information, like mine is Neon
4.6.0
Then click here to enter the official website download area
ChooseNeon
After entering, for example, I chose the second of the Simplified Chinese
Click to jump and go to download.
After downloading, there will be a compressed package, unzip him and you can see the two files as shown in the inside:
And all you have to do is move the two files into the installation directory. dropins
Then restart Eclipse to
4. Simple New Java Project
I'm going to output "Hello java!." All right
Choose your location to save your Java files first
New->java project, file, after open
Fill in the project name yourself, note that the first letter is uppercase
Just click to finish, and then in the right sidebar there will be something like this
Right-click Project- Hello java
New Package
Fill in the name and click Finish.
Right-click New, Class
Fill in the name click Finish
And then it comes up with the Java suffix file
Then enter the code to
Click Run
Click to confirm
Then view the results in the lower console
It's done!
Eclipse 00: Installation Tutorial + Chinese + simple Java Project creation