Kalana Heshan

O bject-Oriented Programming (OOP) is a programming paradigm that revolves around the concept of objects, and at the core of objects lie methods. Methods are the workhorses of OOP, encapsulating behavior and allowing objects to perform actions and operations. In this comprehensive guide, we'll explore the various aspects of methods in OOP, from their definition and types to best practices in their design. There are two methods: a. Predefined Method b. User defined Method a. Predefined Method This means that  they can be called and used anywhere in our program without defining them . There are numerous predefined methods, such as length(), sqrt(), max(), and print(), and each of them is defined inside their respective classes ex:- set()         get()         print()         max()         length() b. User defined Method The method written by the user or programmer  is known as a u...

O bject-Oriented Programming (OOP) offers a powerful framework for structuring code, and at its core lies the concept of classes. A class serves as a blueprint, encapsulating data and behavior within a cohesive unit. In this article, we'll explore the boundaries of a class in OOP, understanding how to define, structure, and establish robust encapsulation for effective software development. 1. Defining the Class Boundary a. Definition: The boundary of a class in OOP represents the extent to which the class is encapsulated—how its internal details are exposed or shielded from the outside world. This encapsulation is essential for maintaining a clear separation of concerns and preventing direct access to internal implementation details. b. Encapsulation: Encapsulation is a key principle in OOP that involves bundling data (attributes) and methods (behavior) within a class and controlling access to them. It establishes a boundary that defines what is visible and accessible from outside ...

  Object-Oriented Programming (OOP) is a paradigm that transforms the way developers design and structure code, introducing key concepts such as classes, methods, and, at the heart of it all, variables. Variables are the building blocks that hold and manage data within objects. In this article, we will embark on a journey to explore the role, types, and significance of variables in the rich tapestry of OOP. 1. The Essence of Variables in OOP a. Definition: Variables in OOP are placeholders or containers for storing and managing data. They reside within objects (instances of classes) and play a crucial role in defining the state of objects. Variables enable the representation of characteristics or attributes that differentiate one object from another. b. Data and State: Variables are instrumental in encapsulating the state of objects. Whether it's the age of a person, the balance in a bank account, or the color of a car, variables hold the diverse data that defines the unique attrib...

  Object-Oriented Programming (OOP) has become a cornerstone in the realm of software development, bringing with it a distinctive entry point known as the "main" method. This method serves as the gateway to program execution, orchestrating the flow of control and facilitating the initiation of classes and their associated behaviors. In this article, we will delve into the significance of the main method in OOP, understanding its role, structure, and the crucial part it plays in the execution of programs. 1. The Main Method: An Introduction a. Definition: In many object-oriented programming languages, including Java and C#, the main method is the starting point of program execution. It is a special method that acts as the entry point when a program is run. The main method serves as the focal point from which other classes and methods are invoked, setting the program in motion. b. Signature: The main method typically follows a specific signature, allowing the runtime environmen...

  Object-Oriented Programming (OOP) is built upon principles that enhance code organization, encapsulation, and flexibility. Central to these principles are modifiers, which govern the visibility and accessibility of classes, attributes, methods, and other elements within a program. In this article, we will delve into the world of modifiers in OOP, understanding their types, applications, and the role they play in shaping the structure and behavior of software systems. 1. Understanding Modifiers in OOP Modifiers in OOP define the scope, visibility, and accessibility of classes, methods, and attributes. They influence how these elements can be interacted with or inherited by other classes. There are several types of modifiers in OOP, each serving a distinct purpose. There are two types of modifiers: 1. Non-Access Modifiers 2. Access Modifiers a. Non-Access Modifiers Non-access modifiers in OOP provide additional information abou...