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17 Μαΐ 2019 · Understand in detail the principles of class and objects, methods and variables, constructors and object creation in Java.
In this section, we will discuss the object definition in Java. In object-oriented programming terminology, an object is a member of Java class. It is also known as instance of the class. Note that objects are created at run time. In simple words, object is a real word entity. For example, dog, car, pen, desk, etc.
OOP stands for Object-Oriented Programming. Procedural programming is about writing procedures or methods that perform operations on the data, while object-oriented programming is about creating objects that contain both data and methods.
Object-oriented programming is a method of programming based on a hierarchy of classes, and well-defined and cooperating objects. A class is a structure that defines the data and the methods to work on that data.
9 Νοε 2023 · Java is at the foundation of Object-Oriented Programming (OOP). This is an approach to programming that mirrors our complexity by simulating objects that represent reality and have depth and functionality. OOP is a practice that systematizes code – enhancing modularity and reusability.
Class Object is the root of the class hierarchy. Every class has Object as a superclass. All objects, including arrays, implement the methods of this class. Creates and returns a copy of this object. Indicates whether some other object is "equal to" this one.
Everything in Java is associated with classes and objects, along with its attributes and methods. For example: in real life, a car is an object. The car has attributes, such as weight and color, and methods, such as drive and brake. A Class is like an object constructor, or a "blueprint" for creating objects.
