What Is Java Message Service (JMS)?

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If you've ever had to deal with Java, you know it's a pain in the butt. Java is a programming language designed by Sun Microsystems in the early 1990s and has been used by developers ever since. Java is still one of the most popular languages in use today—for a good reason: it's super versatile and easy to learn! and now, thanks to Sun Microsystems, we have Java Message Service (JMS). JMS clients can be either Java or non-Java clients. JMS is an open standard and a part of the Java EE platform. The API is standardized as a Java package and included in most commercial Java development kits (JDKs). Java Message Service (JMS) was introduced in Java EE 5 and updated in Java EE 6 and 7. JMS provides a message transfer architecture that enables the integration of different software applications. It makes it possible for Java EE clients to exchange messages with non-Java clients, such as web services. JMS provides various types of messages, such as synchronous messages (send and receive operations are executed in the same thread), asynchronous messages (send and receive functions are performed in different threads), and messages with priorities. JMS is like a letter to Santa Claus. You write it and put it in the mailbox, and then you go to bed and wait for him to respond. JMS is not about getting presents—it's about getting your job done. When you use JMS, you can write software that can send messages to other programs without worrying about how those other programs work or what languages they're written in. You don't even have to know where they are! JMS makes it possible for programs in different systems, or even written in different programming languages, to coordinate with each other via messages.

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