+/**
+ * Isolated class to ascertain physical memory of the system using
+ * com.sun.management.OperatingSystemMXBean class's getTotalPhysicalMemorySize
+ * method. This class is present in OpenJDK 8,9,10,11,12,13. It is present but
+ * marked as deprecated in the early-access(30) release of OpenJDK 14. In case
+ * of an alternative/unsupported JRE being used or the class/method not being
+ * implemented in an exotic architecture JRE this call has been isolated into
+ * this separate class.
+ *
+ * @author bsoares
+ *
+ */
+class GetMemory