A dynamic IP address is a temporary address that is assigned each time a computer or device accesses the Internet. The four numbers in an IP address are used in different ways to identify a particular network and a host on that network.ou can also use Google search to find your IP address. Type  what is my IP address as a search query and Google will show the IP address of the computer from which the query was received as the top search result.
1 Click the Environment Variables button. 2  Under System Variables, click New. 3  Enter the variable name as JAVA_HOME. 4  Enter the variable value (one of the paths mentioned above) as the installation path for the Java Development Kit. 5  Click OK. 6  Click Apply Changes.
In the System Properties window, click the Environment Variables button. In the System variables section of the Environment Variables window that opens, ensure that the JAVA_HOME and JRE_HOME environment variables are pointed at the following locations: JAVA_HOME: C:\Program Files\Java\jdk<version>.