Individual objects, properties, and methods are based on classes, which are user-defined data types. Objects are instances of a class that have been constructed with specified data. Objects can correspond to real-world objects or an abstract entity.
The principles of object-oriented approach must be followed when implementing objects. Providing a means for dynamically picking the method to implement a message response is the most crucial component of implementing objects. A dispatch mechanism is the name for this technique.
You include an implements clause in the class declaration to declare a class that implements an interface. Because your class can implement several interfaces, the implements keyword is followed by a comma-separated list of the interfaces it supports.
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