Hazelcast needs to serialize the Java objects that you put into Hazelcast because Hazelcast is a distributed system. The data and its replicas are stored in different partitions on multiple cluster ...

Use this library, if your are implementing JavaPOS device services or an JavaPOS application using the reference implementation of device controls provided by this group (instead of using your own).

Use a guard clause to avoid null reference exceptions in C# Null reference exceptions are often encountered in applications when you use an object reference that has not been initialized.