Java

WHAT IS OOP? * The foundation of the Java Programming language * Based on a few concepts: abstraction, state and behavior (data and methods) and encapsulation (information hiding) * Advantages: * Reusable * belatedly to maintain * Faster package development * Produce high-quality programs * behind to adapt and easy to scale WHAT IS AN OBJECT? * identify to understand aim-oriented technology * Real-world marks that share two characteristics: state (data) and behavior (methods) A software bundle of variables and related methods WHAT IS A MESSAGE?

* Non-specific mental attitude c all(prenominal)s fo r aspirations to act operations * Sent to an object to cause an operation in an object-oriented environment * Provides two important benefits: * An objects behavior verbalised through its methods, so (aside from direct variable access) pass on pass(a) supports all possible interactions amid objects * Objects dont motif to be in the aforementioned(prenominal) process or even up on the same machine to send and receive messages top and forth to each other * When object A wants object B to perform one of Bs methods, object A sends a message to object B * Components of a message * The object to which the message is addressed * The name of the method to perform * whatever parameters needed by the method WHAT IS A CLASS? * A mechanism used to distinguish one type of object from another * A blueprint, or prototype, that rigs the variables and the methods greens to all objects of a certain k ind * Set of objects that share a vern! acular bodily structure and a common behavior * A specification of structure (instance variables), behavior (methods), and inheritance objects * Its role is to define the properties and procedures (the state and behavior) and applicability of its instance * Example: class simple machine defines the property color that the measure of maroon, yellow or albumin OBJECT-ORIENTED...If you want to get a broad(a) essay, order it on our website: OrderEssay.net

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