It is used to monitor multiple ISP to see which ISP is used in which time. There are two way to help the user to check which's ISP is used in which time. One is through the application's GUI which presents the ISP's IP during the application is running The other is through viewing a log file which log all the data whenever the application is used
============================ Core Java, Swing, Log4j, Mockito, TDD are used to develop this application