Building the Java Development Environment (Windows)

Start->cmd->java:

if (' Java ' is not an internal or external command, nor is it a running program or batch file) {

Indicates that the current computer does not have a JRE or JDK installed;

}

To manually download and install Java:

start-> Computer, right-click Properties, view operating system type

if (32-bit operating system) {

Download the 32-bit JDK;

}

if (64-bit operating system) {

Download the 64-bit JDK;

}

Open the browser,"http://www.oracle.com"->download->java For developers-> Select the JDK version to download click download-> to select "Accept License agreement" and install the downloaded executable file according to the operating system version

Start->cmd->java-version

to view the installed Java version

Start-> Control Panel

Find Java This control option, open it to the Java environment to do some settings and operations

After the installation is complete, you can use Java to run the Java-written application, whose suffix is. jar

Building the Java Development Environment (Windows)