week1 fundamentals recap

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What is a class?
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an extensible program-code-template for creating objects, providing initial values for state (member variables) and implementations of behavior (member functions or methods)

What is an object?
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"object" refers to a particular instance of a class where the object can be a combination of variables, functions, and data structures.

What is a method?
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is a procedure associated with a message and an object

What is a message?
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the way that one program object requests an action from another object.

What is inheritance?
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an object or class is based on another object (prototypal inheritance) or class (class-based inheritance), acquires all the properties and behaviours of the parent object using the same implementation

what is encapsulation
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the bundling of data with the methods that operate on that data. Encapsulation is used to hide the values or state of a structured data object inside a class, preventing unauthorized parties' direct access to them.


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