C# exercises and solutions

C# exercises

According to my own experience as software developer and lecturer, practicing exercises is an important activity to learn a programming language. 

In this  page you will find a lot of C# exercises to help you test your knowledge and skill of writing code in C# and practice the C# programming lessons. You will start from basic C# exercises to more complex exercises. The solution is provided for each exercise. If you have any questions regarding to each problem, you can post them at our forum.



Exercise 1: Write C# code to declare a variable to store the age of a person. Then the output of the program is as an example shown below:

You are 20 years old.

Solution:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace Csharp_exercises

{

class Program

{

static void Main(string[] args)

{

int age = 20;// declaring variable and assign 20 to it.

Console.WriteLine("You are {0} years old.",age);

Console.ReadLine();

}

}

}

Exercise 2: Write C# code to display the asterisk pattern as shown below:

*****

*****

*****

*****

*****

Solution:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Csharp_exercises
{
class Program
{
static void Main(string[] args)
{

   Console.WriteLine("*****");
   Console.WriteLine("*****");
   Console.WriteLine("*****");
   Console.WriteLine("*****");
   Console.WriteLine("*****");
   Console.ReadLine();
        }
    }
}

Exercise 3: Write C# code to declare two integer variables, one float variable, and one string variable and assign 10, 12.5, and "C# programming" to them respectively. Then display their values on the screen.

Solution:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Csharp_exercises
{
class Program
{
static void Main(string[] args)
{

int x;
float y;
string s;
x = 10;
y = 12.5f;
s = "C# programming";
Console.WriteLine(x);
Console.WriteLine(y);
Console.WriteLine(s);
Console.ReadLine();
}
}
}

Exercise 4: Write C# code to prompt a user to input his/her name and then the output will be shown as an example below:

Hello John!

Solution:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Csharp_exercises
{
class Program
{
static void Main(string[] args)
   {

  string name;
  Console.Write("Please enter your name:");
  name = Console.ReadLine();
  Console.WriteLine("Hello {0}!", name);
  Console.ReadLine();
         }
   }
}





Comments

cha comment

 cha

tnx for this..God bless

07-13-2014
Ashok Gope comment

 Ashok Gope

This is this Website Tutorial is very informatic and usefull

05-22-2014
Jack toroni comment

 Jack toroni

Tanks very much.
Can you put advanced exercises with pictures.

03-20-2014
krishna negi comment

 krishna negi

an u give me the GUI code with advance c#??
plz sir help me i m biginner....





Thanks

01-24-2014
Dara comment

 Dara

This page has the explanation http://www.worldbestlearningcenter.com/index_files/csharp_format_output.htm.

01-12-2014
sravya comment

 sravya

In first exercise..we are declaring
console.writeline("you are {0} years old",age);
what is {0}?y we have declare this
so plz help me..im a beginner

01-04-2014
Dara comment

 Dara

You will use a loop and Substring function to generate the output. Try the following code:

string yourName = "vidhya";
for(int i=1;i<yourName.Length;i++){ Console.WriteLine(yourName.Substring(0,i));
}
Console.Read();


11-20-2013
vidhya comment

 vidhya

prg output is
v
vi
vid
vidh
vidhya
can you give me the program for this output

11-20-2013
Ather rar comment

 Ather rar

Tutorial on this website is very informatic and usefull for selflearning. much much appreciate for this efforts

10-13-2013
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