message queue java

Communication using message queues can happen in the following ways − On a JSF page (.xhtml) i put a button to send the message: Here is the sendMessageQueueClass.class file : Ofcourse, the order of message queue is FIFO (First In First Out). Just like a real-world queue (for instance, in a bank or at ATM), Queue inserts elements at the end of the queue and removes from the beginning of the queue. java.util.Queue interface is a subtype of java.util.Collection interface.

How to write (send) a message to a Queue with Java.

The first message inserted in the queue is the first one to be retrieved. Java Queue represents an ordered list of elements. The header, which includes the standard and custom application properties, can have a maximum size of 64 KB.

Service Bus queues support a maximum message size of 256 KB in the Standard tier and 1 MB in the Premium tier. Java Queue follows FIFO order to insert and remove it’s elements. There is no limit on the number of messages held in a queue but there is a cap on the total size of the messages held by a queue. For testing, I used the following: Eclipse, JDK 8, a WebLogic Server, and I created a Web application using JSF (PrimeFaces). Using Shared Memory or Message Queues depends on the need of the application and how effectively it can be utilized.

The Sun Java System Message Queue is a currently shipping product, which has been formerly known by the names: Java Message Queue, iPlanet Message Queue for Java, and Sun ONE Message Queue.