Java Environment Configuration

For Java developers, the first step is to configure the Java development environment.

You need a JDK, not a JRE!

1.

After Oracle acquired Sun, a new version of Java was released by Oracle.

The current version is JDK 1.8

Http://www.oracle.com/technetwork/java/javase/downloads/index.html

　　

Select the corresponding operating system version (Windows/linux/solaris/mac OS, 64bit/32bit) todownload.

2. Installing the JDK

　　　2.1 Windows:

Choose the installation directory (the default is C:\Program Files\java, the proposed new without space path), all the way "next", waiting to complete;

　　　2.2 Linux:

Full complement

　　　2.3 Solaris:　　

Full complement

　　　2.4 Mac OS:

Full complement

3. Configure Environment variables

3.1 Windows:　

3.1.1　　　　　　 computer → properties → advanced system settings → advanced → environment variables

　　　　　　

3.1.2　　　　　　 System variables → new java_home variable

Variable value fill in the JDK installation directory (example: E:\Java\jdk1.8.0)

　　　　　　

3.1.3　　　　　　 System variables → find Path variable → edit

Enter%java_home%\bin at the end of the variable value ;

(Note that the original path of the variable value at the end of there is no; number, if not, first enter; number and then enter the above code)

　　　　　　

　　　　　　 3.1.4 　 system variable → new CLASSPATH variable

Variable values are filled in .; %java_home%\lib; (Note that there is a point in the front),

If the CLASSPATH variable already exists, the value of the variable is entered at last ;%java_home%\lib;

　　　　　　　　

　　　　　　

System variable configuration is complete. Cmd-javac

　　　　　　　

　　　3.2 Linux:

Full complement

　　　3.3 Solaris:　　

Full complement

　　　3.4 Mac OS:

Full complement

Java Environment Configuration