1. Object Oriented Programming
... . A software object maintains its state in one or more variables. A variable is an item of data named by an identifier. A software object implements its behavior with methods. A method is a function associated with an object. Everything that the software object knows (state) and can do (behavior) is expressed by the variables and the methods within that object. Software ... defines the variables and the methods common to all objects of a certain kind. Messages: A single object alone is generally not very useful. Instead, an object usually appears as a component of a larger program or app...
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