'java.lang.System.getProperty()' is a common API used by Java developers to read the System properties that are configured during application startup time. i.e. when you pass "-DappName=buggyApp" as your application's startup JVM argument, the value of the 'appName' system property can be read by invoking the 'java.lang.System.getProperty()'. Example: public static String getAppName() { String app =... Continue Reading →