Programming Languages in BCA

[Ramya_Velayutham]

Programming Languages in BCA

In a BCA (Bachelor of Computer Applications) program, students learn multiple programming languages to develop software applications, websites, and system programs. Here’s an overview of the key languages taught:

1. C Programming Features:

• Procedural language (follows step-by-step execution).
• Used for system programming, embedded systems, and OS development.
• Efficient memory management using pointers.

Common Concepts:

• Variables, Data Types, Operators
• Loops & Conditional Statements
• Functions & Arrays
• Pointers & Structures
• File Handling

Example Code: Hello World in C

Code: Select all

#include <stdio.h>
int main()
{
printf("Hello, World!");
return 0;
} 

2. C++ Programming Features:

• Object-Oriented Programming (OOP) with concepts like classes and objects.
• Faster than Java and Python, widely used in game development and system software.

Common Concepts:

• Classes & Objects
• Inheritance & Polymorphism
• Encapsulation & Abstraction
• Templates & Exception Handling

Example Code: Hello World in C++

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#include <iostream>
using namespace std;
int main() {
cout << "Hello, World!";
return 0; } 

3. Java Programming Features:

• Platform-independent (Write Once, Run Anywhere).
• Used for Android development, enterprise applications, and web apps.

Common Concepts:

• Object-Oriented Programming (OOP)
• Multithreading & Exception Handling
• Java Collections Framework
• JDBC (Database Connectivity)

Example Code: Hello World in Java

Code: Select all

public class HelloWorld {
public static void main(String args) {
System.out.println("Hello, World!");
}
} 

4. Python Programming Features:

• Easy-to-learn syntax, widely used in AI, ML, and web development.
• Supports multiple paradigms: procedural, object-oriented, and functional.

Common Concepts:

• Variables & Data Types
• Functions & Modules
• Object-Oriented Programming
• Libraries like NumPy, Pandas, Django

Example Code: Hello World in Python

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print("Hello, World!") 

5. JavaScript Features:

• Used for web development (Frontend & Backend).
• Works with HTML & CSS for interactive UI.
• Supports frameworks like React, Angular, and Node.js.

Common Concepts:

• Variables & Functions
• DOM Manipulation
• Events & Callbacks
• Promises & Async/Await

Example Code: Hello World in JavaScript

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console.log("Hello, World!");

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[attachment=0]comparison of programming language.png[/attachment]