Differences between Point to Point Messaging Model and Publish Subscribe Messaging Model is explained in this article. Point to Point Messaging Model and Publish Subscribe Messaging Model are the two different messaging paradigms supported by Java Message Service (JMS). These messaging paradigms are programming models that support asynchronous way of messaging between diverse systems. Listed below are the differences between Point to Point Messaging Model and Publish Subscribe Messaging Model is explained in this article. Point to Point Messaging Model and Publish Subscribe Messaging Model: Point to Point Messaging Model Publish Subscribe Messaging Model JMS Destination is Queue JMS Destination is Topic JMS Producer is called as Sender JMS Producer is referred as Publisher JMS Consumer is called as Receiver JMS Consumer is referred … [Read More...] about Differences between Point to Point Messaging Model and Publish Subscribe Messaging Model
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Spring dependency injection with Java configuration
Here we are going to see how to configure dependency injection in spring with java . In the below example we have two classes MyClass and Myclass2 .There is a dependency of MyClass2 in Myclass . So lets understand how to inject the depended class into another using Spring.
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public class MyClass { MyClass2 myClass2; MyClass(MyClass2 myClass2){ this.myClass2=myClass2; } } |
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public class MyClass2 { MyClass2(){ System.out.println("Initializing MyClass2"); } } |
Below is the configuration […]
Callable and Future Interface
Callable and Future Interface : Callable and Future interface has been introduced in JDK 1.5 under java.util.cocurrent package. Callable interface is used to execute task and is similar to Runnable interface but can return value to caller and is able to throw checked Exception as well .Callable interface has call() method to execute task, computing […]
What is serialVersionUID
What is serialVersionUID? In serialization process at runtime each serializable class is associated with a version number, called a serialVersionUID, and this versionUID is used to ensure that during deserialization the same class is loaded which was used during serialization process. If serialVersionUID is not declared explicitly then JVM will do it for you automatically. Problem occur if … [Read More...] about What is serialVersionUID
What is exchanger in concurrency?
Exchanger : Exchanger is introduced in jdk1.5 with classes like CountDownLatch,CyclicBarrier and Semaphores. This class is used to exchange data between two threads. An Exchanger waits until both the threads call its exchange() method and when this method is invoked, the exchanger exchanges data between two threads. It uses method exchange for exchanging data . It has two version of … [Read More...] about What is exchanger in concurrency?
UncaughtExceptionHandler in java
UnCaughtExceptionHandler: There are two kinds of exceptions in Java one is checked exceptions and other is Unchecked exceptions. We already know about checked and unchecked exception. In this tutorial we will learn about UnCaughtExceptionHandler. Unchecked exceptions don’t have to be caught and when an unchecked exception is thrown inside the run() method of a Thread , the default behavior is … [Read More...] about UncaughtExceptionHandler in java