All star patterns using C# programming Language


Introduction

In this article, I have explained the list of all Star (*) pattern programs in c# programming language. I have used Visual studio 2012 framework for debugging purpose. But you can use Visual studio 2005, 2008, 2010, 2012, 2015 or 2017 as per your availability..


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Star pattern : 1

*
**
***
****
*****

using System;

namespace starpattern
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, j;
            for (i = 1; i <= 5; i++)
            {
                for (j = 1; j <= i; j++)
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
            Console.ReadLine();
        }
    }
}

Star pattern : 2

*

**

***

****

*****

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using System;

namespace starpattern
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, j, k;
            for (i = 5; i >= 1; i--)
            {
                for (j = 1; j < i; j++)
                {
                    Console.Write(" ");
                }
                for (k = 5; k >= i; k--)
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
            Console.ReadLine();
        }
    }
}

Star pattern : 3

*****
****
***
**
*

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using System;

namespace starpattern
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, j;
            for (i = 5; i >= 1; i--)
            {
                for (j = 1; j <= i; j++)
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }            
            Console.ReadLine();
        }
    }
}

Star pattern : 4

*****

****

***

**

*

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using System;

namespace starpattern
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, j, k;
            for (i = 5; i >= 1; i--)
            {
                for (j = 5; j > i; j--)
                {
                    Console.Write(" ");
                }
                for (k = 1; k <= i; k++)
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
            Console.ReadLine();
        }
    }
}

Star pattern : 5

*****
*****
*****
*****
*****

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using System;

namespace starpattern
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, j;
            for (i = 1; i <= 5; i++)
            {
                for (j = 1; j <= 5; j++)
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
            Console.ReadLine();
        }
    }
}

Star pattern : 6

*****

*****

*****

*****

*****

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using System;

namespace starpattern
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, j;
            for (i = 1; i <= 5; i++)
            {
                for (j = 1; j < i; j++)
                {
                    Console.Write(" ");
                }
                for (j = 1; j <= 5; j++)
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
            Console.ReadLine();
        }
    }
}
     

Star pattern 7

*

**

* *

* *

* * * * *

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using System;

namespace starpattern
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, j;
            for (i = 1; i <= 5; i++)
            {
                for (j = 1; j <= i; j++)
                {
                    if (j == 1 || j == i || i == 5)
                    {
                        Console.Write("*");
                    }
                    else
                    {
                        Console.Write(" ");
                    }
                }
                Console.WriteLine();          
            }
            Console.ReadLine();
        }
    }
}

Star pattern 8

*

**

* *

* *

* * * * *

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using System;

namespace starpattern
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, j;
            for (i = 1; i <= 5; i++)
            {
                for (j = i; j < 5; j++)
                {
                    Console.Write(" ");
                }
                for (j = 1; j <= i; j++)
                {
                    if (i == 5 || j == 1 || j == i)
                    {
                        Console.Write("*");
                    }
                    else
                    {
                        Console.Write(" ");
                    }
                }
                Console.WriteLine();
            }
            Console.ReadLine();
        }
    }
}

Star pattern 9

*

***

*****

*******

*********

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using System;

namespace starpattern
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, j, k;
            for (i = 1; i <= 5; i++)
            {
                for (j = i; j < 5; j++)
                {
                    Console.Write(" ");
                }
                for (k = 1; k < (i * 2); k++)
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
            Console.ReadLine();
        }
    }
}

Star pattern 10

*********

*******

*****

***

*

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using System;

namespace starpattern
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, j, k;
            for (i = 5; i >= 1; i--)
            {
                for (j = 5; j > i; j--)
                {
                    Console.Write(" ");
                }
                for (k = 1; k < (i * 2); k++)
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
            Console.ReadLine();
        }
    }
}

Star pattern 11

*

**

**

**

*********

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using System;

namespace starpattern
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, j;
            for (i = 1; i <= 5; i++)
            {
                for (j = i; j < 5; j++)
                {
                    Console.Write(" ");
                }
                for (j = 1; j <= (2 * i - 1); j++)
                {
                    if (i == 5 || j == 1 || j == (2 * i - 1))
                    {
                        Console.Write("*");
                    }
                    else
                    {
                        Console.Write(" ");
                    }
                }
                Console.WriteLine();
            }
            Console.ReadLine();
        }
    }
}

Star pattern 12

*********

**

**

**

*

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using System;

namespace starpattern
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, j;
            for (i = 1; i <= 5; i++)
            {
                for (j = i; j < 5; j++)
                {
                    Console.Write(" ");
                }
                for (j = 1; j <= (2 * i - 1); j++)
                {
                    if (i == 5 || j == 1 || j == (2 * i - 1))
                    {
                        Console.Write("*");
                    }
                    else
                    {
                        Console.Write(" ");
                    }
                }
                Console.WriteLine();
            }
            Console.ReadLine();
        }
    }
}

Star pattern 13

*
**
***
****
*****
****
***
**
*

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using System;

namespace starpattern
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, j;
            for (i = 1; i <= 5; i++)
            {
                for (j = 1; j <= i; j++)
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
            for (i = 5; i >= 1; i--)
            {
                for (j = 1; j < i; j++)
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
            Console.ReadLine();
        }
    }
}

Star pattern 14

*

**

***

****

*****

****

***

**

*

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using System;

namespace starpattern
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, j;
            for (i = 1; i <= 5; i++)
            {
                for (j = i; j < 5; j++)
                {
                    Console.Write(" ");
                }
                for (j = 1; j <= i; j++)
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
            for (i = 5; i >= 1; i--)
            {
                for (j = i; j <= 5; j++)
                {
                    Console.Write(" ");
                }
                for (j = 1; j < i; j++)
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }

            Console.ReadLine();   
        }
    }
}

Star pattern 15

*

***

*****

*******

*********

*******

*****

***

*

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using System;

namespace starpattern
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, j;
            for (i = 1; i <= 5; i++)
            {
                for (j = i; j < 5; j++)
                {
                    Console.Write(" ");
                }
                for (j = 1; j <= (2 * i - 1); j++)
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
            for (i = 5; i >= 1; i--)
            {
                for (j = i; j <= 5; j++)
                {
                    Console.Write(" ");
                }
                for (j = 2; j < (2 * i - 1); j++)
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
            Console.ReadLine();        
        }
    }
}

Star pattern 16

*

* *

*    *

*       *

*        *

*       *

*    *

* *

*

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using System;

namespace starpattern
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, j;

            for (i = 1; i <= 5; i++)
            {
                for (j = 5; j > i; j--)
                {
                    Console.Write(" ");
                }
                Console.Write("*");
                for (j = 1; j < (i - 1) * 2; j++)
                {
                    Console.Write(" ");
                }
                if (i == 1) Console.WriteLine();
                else 
                Console.WriteLine("*");
            }
            for (i = 4; i >= 1; i--)
            {
                for (j = 5; j > i; j--)
                {
                    Console.Write(" ");
                }
                Console.Write("*");
                for (j = 1; j < (i - 1) * 2; j++)
                {
                    Console.Write(" ");
                }
                if (i == 1) Console.WriteLine();
                else Console.WriteLine("*");
            }
            Console.ReadLine();            
        }
    }
}




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30 March 2017 10227       Written By: Rohit Mhatre


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