Introduction to C#.Net Software programming - Lecture 03

Department of Technical Education & Training (DTET) 

College of Technology Jaffna 

 National Vocational Qualification Level 5 

Information and Communication Technology 

Lecture 03 

 Introduction to C#.Net Software programming 

 Module Code: K72C001M04

 

 

C# - Program Structure Example 01

using System;

namespace HelloWorldApplication

{

class HelloWorld

{

static void Main(string[] args) {

/* my first program in C# */

Console.WriteLine("Hello World");

Console.ReadKey();

} } }

C# - Program Structure Example 01

using System;

namespace RectangleApplication

{

class Rectangle { // member variables

double length;

double width;

public void Acceptdetails()

{ length = 4.5; width = 3.5; }

public double GetArea() {

return length * width; }

public void Display() {

Console.WriteLine("Length: {0}", length);

Console.WriteLine("Width: {0}", width);

Console.WriteLine("Area: {0}",

GetArea()); } }

class ExecuteRectangle {

static void Main(string[] args)

{

Rectangle r = new Rectangle();

r.Acceptdetails();

r.Display();

Console.ReadLine(); } } }

 K.Thiruthanigesan, BSc. University College of Jaffna University of Vocational Technology