Message and method in programming
Illustrate the basic difference between the message and method in programming?
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Message in Programming:
a) Objects communicate by sending the messages to one other.
b) The message is sent to invoke the method.
Method in Programming:
a) It gives response to a message.
b) This is an implementation of the operation.
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Explain Downcast with example: It is a cast towards an object's dynamic kind - that is, `down' the inheritance hierarchy. For illustration: // Downcast from Object to String
Explain Downcast with example: It is a cast towards an object's dynamic kind - that is, `down' the inheritance hierarchy. For illustration:
// Downcast from Object to String
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Illustrate the main uses of Virtual memory?
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