This example demonstrates Observer Pattern in java.
this example Observer Pattern Defines a one-to-many dependency between objects so that when one object changes state, all its dependents are notifi Run It Now!
this example demonstrates Chain of Responsibility in java.It avoids attaching the sender of a request to its receiver, giving this way other objects the possibility of handling the request too.
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This example demonstrates Template Method in java.Template Method define the skeleton of an algorithm in an operation, deferring some steps to subclasses / Template Method lets subclasses redefine cer Run It Now!
This example demonstrates Visitor Pattern in java.
In this example Visitor Pattern Represents an operation to be performed on the elements of an object structure / Visitor lets you define a new opera Run It Now!
This example demonstrates Momento pattern in java.
The intent of this pattern is to capture the internal state of an object without violating encapsulation and thus providing a mean for restoring the Run It Now!