Browsed by
Category: Courses

Understanding Parameterized Functions in C++

Understanding Parameterized Functions in C++

Comments 2 Comments

Introduction to Parameterized Functions: A parameterized function in C++ is a function that accepts one or more arguments, which are used within the function to perform a specific task. The primary advantage of parameterized functions is their flexibility. By passing different values to the parameters, the same function can be used to perform various operations, making your code reusable and more concise. Code Example: Simple Calculator Class with Parameterized Functions #include <iostream>using namespace std;class Calculator {private: int a; // Attributes…

Read More Read More

Understanding Classes and Their Components in C++

Understanding Classes and Their Components in C++

Comments 1 Comment

In C++, a class is a user-defined data type that serves as a blueprint for creating objects. Classes group data (attributes) and functions (methods) into a single unit, supporting encapsulation, one of the fundamental principles of Object-Oriented Programming (OOP). What is a Class? A class defines the properties and behaviors that its objects will have. It consists of: Key Components of a Class Example Code: Car Class Below is an example of a Car class in C++ that demonstrates its…

Read More Read More

Understanding Network Ports: A Beginner’s Guide to Networking Essentials

Understanding Network Ports: A Beginner’s Guide to Networking Essentials

Comments 148 Comments

In the world of computer networks, communication between devices is a fundamental requirement. For this communication to be efficient and organized, the concept of network ports plays a crucial role. If you have ever sent an email, browsed a website, or transferred a file, network ports were working silently in the background. In this tutorial, we will delve into the basics of network ports, their purpose, and their significance in networking. Visit the detailed tutorial on network here. What Are…

Read More Read More

Understanding Serialization in Java: A Beginner’s Guide

Understanding Serialization in Java: A Beginner’s Guide

Comments 145 Comments

Serialization is an important concept in Java, especially when you need to save the state of objects or transfer them over a network. In this tutorial, we’ll discuss how serialization and deserialization work in Java using a simple Car class. The process of serialization allows you to save the state of an object to a file, while deserialization allows you to read that object back into memory. Here, we will explore the steps of serializing and deserializing an Car object….

Read More Read More

Flow Control in Computer Networks

Flow Control in Computer Networks

Comments 1 Comment

Flow control in computer networks ensures efficient communication by managing the data transmission rate between the sender and receiver. The primary objective of flow control is to prevent the sender from overwhelming the receiver with more data than it can process, thereby avoiding buffer overflow and ensuring smooth communication. This tutorial explores flow control in detail, covering its significance, common challenges, and the techniques employed to address them. You can visit the detailed tutorial here. What is Flow Control? Flow…

Read More Read More

Abstract Classes in Java: A Comprehensive Guide

Abstract Classes in Java: A Comprehensive Guide

Comments 7 Comments

In Java, abstract classes are a fundamental concept in Object-Oriented Programming (OOP) that provides a foundation for creating flexible and reusable code. This tutorial explores the concept of abstract classes, their characteristics, and how to implement them effectively. To further explore Object-Oriented Programming concepts, check out our comprehensive OOP guide. What is an Abstract Class? An abstract class is a class that cannot be instantiated (object creation) on its own. It is designed to act as a base class, providing…

Read More Read More

Introduction to Routing Protocols: OSPF, EIGRP, and RIP

Introduction to Routing Protocols: OSPF, EIGRP, and RIP

Comments 18 Comments

Routing protocols are critical in determining the best paths for data transmission across networks. These protocols are primarily classified into distance-vector and link-state protocols based on their working mechanism. In this tutorial, we will explore Open Shortest Path First (OSPF), Enhanced Interior Gateway Routing Protocol (EIGRP), and Routing Information Protocol (RIP), with a clear explanation of their types and characteristics. The focus is to make these concepts accessible to BS students. Visit the detailed tutorial here. Classification of Routing Protocols…

Read More Read More

Association, Composition and Aggregation in Java

Association, Composition and Aggregation in Java

Comments 170 Comments

In Java, Association, composition, and aggregation define relationships between classes, allowing us to model real-world scenarios by linking objects within a program. These relationships enable classes to work together without being hierarchically dependent on each other, unlike inheritance. Here, we’ll explain these relationships with examples and scenarios for a clear understanding. You can visit the detailed tutorial here. 1. Association in Java Association represents a simple “uses-a” relationship between two classes where objects of one class use objects of another…

Read More Read More

Difference between Method/Function Overloading and Overriding (Polymorphism)

Difference between Method/Function Overloading and Overriding (Polymorphism)

Comments 124 Comments

Polymorphism, a foundational concept in object-oriented programming (OOP), allows methods or functions to process objects differently based on their data type or class. In Java, polymorphism enables one interface to be used for a general class of actions, allowing a program to behave dynamically depending on the context. This tutorial explains polymorphism, covers its types and benefits, and illustrates its implementation in Java. What is Polymorphism? Polymorphism, from Greek words meaning “many forms,” refers to the ability of an object…

Read More Read More

Classes and Their Relationships: Modeling Real-World Entities and Interactions

Classes and Their Relationships: Modeling Real-World Entities and Interactions

Comments 3 Comments

In object-oriented programming (OOP), one of the fundamental steps is identifying classes and defining the relationships between them. Classes are used to model real-world entities, while relationships define how these entities interact. This tutorial will explain the process of identifying classes and their relationships, focusing on real-world examples and applying the principles from the previous tutorials on OOP, similar to the Car and Driver example used earlier. 1. Identifying Classes Classes are blueprints for objects, representing entities in the real…

Read More Read More