Install JDK

JDK:Java Development Kit

We can download at the following URL.

http://java.sun.com/javase/downloads/index.jsp

Select the appropriate JDK software and click Download JDK.

And choose a Platform whilch we are used. Then press download.

After download finish, double click the exe file and install.

....

Now, The JDK software is installed on your computer.

Next, 我的電腦->內容

進階->環境變數->path->加上安裝路徑\bin

DONE!

Open cmd to check.

Type command "java -version".