One of the most common application requirements is usually to create a central place where to keep application properties or application settings. These properties are normally settings or general properties that are applied to the application during runtime. A number of options exist, including creating string properties on your application server and accessing them as JNDI resources. However one of the still most practical approaches is to keep a properties config file with a simple propertyName =propertyValue type of structure. The example below is an example of an Application Config class that loads the application properties from a file named config.properties which is stored in the root of the source packages (root package) and hence automatically deployed with the application jar file during the build process. import java.io.IOException; import java.io.InputStream; import java.util.Properties; import java.util.logging.Level; import java.util.logging.Logger; public cl