![]() Chain of Responsibility Design Pattern Example If even the last catch block is not able to process it, the exception is thrown outside of the chain to the calling program. If the catch block is not able to process it, it forwards the request to next object in chain i.e next catch block. So when any exception occurs in the try block, its send to the first catch block to process. Here every catch block is kind of a processor to process that particular exception. We know that we can have multiple catch blocks in a try-catch block code. Let’s see the example of chain of responsibility pattern in JDK and then we will proceed to implement a real life example of this pattern. Chain of Responsibility Pattern Example in JDK ![]() Then the object in the chain will decide themselves who will be processing the request and whether the request is required to be sent to the next object in the chain or not. ![]() ![]() Chain of Responsibility Design PatternĬhain of responsibility pattern is used to achieve loose coupling in software design where a request from client is passed to a chain of objects to process them. Chain of responsibility design pattern is one of the behavioral design pattern.
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