C# programs to print alphabet pattern


Introduction

In this article, I have explained the list of all alphabet pattern programs in C# programming language. Following exercise is compiled and tested on a Visual Studio 2012.


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Alphabet pattern : 1

A
BB
CCC
DDDD
EEEEE

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i,j;
  8.         int n=5;
  9.  
  10.          for(i=1;i<=n;i++)
  11.          {
  12.              for(j=1;j<=i;j++)
  13.              {
  14.                  Console.Write((char)(i+64));
  15.  
  16.              }
  17.  
  18.              Console.WriteLine("");
  19.          }
  20.             Console.ReadLine();
  21.         }
  22.  
  23. }

Alphabet pattern : 2

AAAAA

BBBB

CCC

DD

E

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i,j;
  8.         int n=5;
  9.  
  10.         for (i = 1; i <= n; i++)
  11.         {
  12.             for (j = i; j <= n; j++)
  13.             {
  14.                  Console.Write((char)(i+64));
  15.  
  16.              }
  17.  
  18.              Console.WriteLine("");
  19.          }
  20.             Console.ReadLine();
  21.         }
  22.  
  23. }

Alphabet pattern : 3

A
AB
ABC
ABCD
ABCDE

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i,j;
  8.         int n=5;
  9.  
  10.         for (i = 1; i <= n; i++)
  11.         {
  12.             for (j = 1; j <= i; j++)
  13.             {
  14.                  Console.Write((char)(j+64));
  15.  
  16.              }
  17.  
  18.              Console.WriteLine("");
  19.          }
  20.             Console.ReadLine();
  21.         }
  22.  
  23. }

Alphabet pattern : 4

E

DE

CDE

BCDE

ABCDE

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i,j;
  8.         int n=5;
  9.  
  10.         for (i = n; i >= 1; i--)
  11.         {
  12.             for (j = i; j <= n; j++)
  13.             {
  14.                  Console.Write((char)(j+64));
  15.  
  16.              }
  17.  
  18.              Console.WriteLine("");
  19.          }
  20.             Console.ReadLine();
  21.         }
  22.  
  23. }

Alphabet pattern : 5

A
BA
CBA
DCBA
EDCBA

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i,j;
  8.         int n=5;
  9.  
  10.         for (i = 1; i <= n; i++)
  11.         {
  12.             for (j = i; j >= 1; j--)
  13.             {
  14.                  Console.Write((char)(j+64));
  15.  
  16.              }
  17.  
  18.              Console.WriteLine("");
  19.          }
  20.             Console.ReadLine();
  21.         }
  22.  
  23. }

Alphabet pattern : 6

E

ED

EDC

EDCB

EDCBA

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i,j;
  8.         int n=5;
  9.  
  10.         for (i = n; i >= 1; i--)
  11.         {
  12.             for (j = n; j >= i; j--)
  13.             {
  14.                  Console.Write((char)(j+64));
  15.  
  16.              }
  17.  
  18.              Console.WriteLine("");
  19.          }
  20.             Console.ReadLine();
  21.         }
  22.  
  23. }
     

Alphabet pattern 7

E

DD

CCC

BBBB

AAAAA

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i,j;
  8.         int n=5;
  9.  
  10.         for (i = 1; i <= n; i++)
  11.         {
  12.             for (j = 1; j <= i; j++)
  13.             {
  14.                 Console.Write((char)(n - i + 1 + 64));
  15.  
  16.              }
  17.  
  18.              Console.WriteLine("");
  19.          }
  20.             Console.ReadLine();
  21.         }
  22.  
  23. }

Alphabet pattern 8

EEEEE

DDDD

CCC

BB

A

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i,j;
  8.         int n=5;
  9.  
  10.         for (i = n; i >= 1; i--)
  11.         {
  12.             for (j = 1; j <= i; j++)
  13.             {
  14.                 Console.Write((char)(i + 64));
  15.  
  16.              }
  17.  
  18.              Console.WriteLine("");
  19.          }
  20.             Console.ReadLine();
  21.         }
  22.  
  23. }

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Alphabet pattern 9

EDCBA

EDCB

EDC

ED

E

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i,j;
  8.         int n=5;
  9.  
  10.         for (i = 1; i <= n; i++)
  11.         {
  12.             for (j = n; j >= i; j--)
  13.             {
  14.                 Console.Write((char)(j + 64));
  15.  
  16.              }
  17.  
  18.              Console.WriteLine("");
  19.          }
  20.             Console.ReadLine();
  21.         }
  22.  
  23. }

Alphabet pattern 10

EDCBA

DCBA

CBA

BA

A

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i,j;
  8.         int n=5;
  9.  
  10.         for (i = n; i >= 1; i--)
  11.         {
  12.             for (j = i; j >= 1; j--)
  13.             {
  14.                 Console.Write((char)(j + 64));
  15.  
  16.              }
  17.  
  18.              Console.WriteLine("");
  19.          }
  20.             Console.ReadLine();
  21.         }
  22.  
  23. }

Alphabet pattern 11

A

ABA

ABCBA

ABCDCBA

ABCDEDCBA

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i, j;
  8.         int n = 5;
  9.  
  10.         for (i = 1; i <= n; i++)
  11.         {
  12.  
  13.             for (j = 1; j <= n - i; j++)
  14.             {
  15.                 Console.Write(" ");
  16.             }
  17.             for (j = 1; j <= i; j++)
  18.             {
  19.                 Console.Write((char)(j + 64));                
  20.             }
  21.             for (j = i - 1; j >= 1; j--)
  22.             {
  23.                 Console.Write((char)(j + 64)); 
  24.             }
  25.  
  26.             Console.WriteLine();
  27.         }
  28.         Console.ReadLine();
  29.         }
  30.  
  31. }

Alphabet pattern 12 

 A   
 B C   
 D E F   
 G H I J   
 K L M N O   
 P Q R S T U   
 V W X Y Z

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i, j, charValue;
  8.         charValue = 65;
  9.         for (i = 1; i <= 7; i++)
  10.         {
  11.             Console.WriteLine(" ");
  12.             for (j = 1; j <= i; j++)
  13.             {
  14.                 Console.Write(" " + Convert.ToChar(charValue));
  15.                 charValue++;
  16.                 if (charValue == 91)
  17.                 {
  18.                     break;
  19.                 }
  20.             }
  21.         }  
  22.         Console.ReadLine();
  23.     }
  24. }
     

Alphabet pattern 13

ABCDE
 FGHI
  JKL
   MN
    O

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i, j, k;
  8.         char c = 'A';
  9.         int n = 5;
  10.  
  11.         for (i = 0; i <= n; i++)
  12.         {
  13.             for (j = 0; j <= i; j++)
  14.             {
  15.                 Console.Write(" ");
  16.             }
  17.             for (k = n - i - 1; k >= 0; k--)
  18.             {
  19.                 Console.Write(c);
  20.                 c++;
  21.             }
  22.             Console.WriteLine();
  23.  
  24.         }
  25.         Console.ReadLine();
  26.     }
  27. }

Alphabet pattern 14

A
BC
DEF
GHIJ
KLMNO

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i,j;
  8.         char c;
  9.         int n=5;
  10.  
  11.         c='A';
  12.          for (i = 0; i < n; i++)
  13.          {
  14.           for (j = 0; j <= i; j++)
  15.           {
  16.               if (c == 'Z')
  17.                   break;
  18.  
  19.               Console.Write(c);
  20.               c++;
  21.           }          
  22.           Console.WriteLine();
  23.       }
  24.         Console.ReadLine();
  25.     }
  26. }

Alphabet pattern 15

ABCDEDCBA
ABCD DCBA
ABC   CBA
AB     BA
A       A

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i, j;
  8.         char CH = 'E';
  9.         int space = 1;
  10.  
  11.         for (i = 1; i <= 5; i++)
  12.         {
  13.             for (j = 'A'; j <= CH; j++)                
  14.             Console.Write((char)(j));
  15.  
  16.             if (i == 1)
  17.                 Console.Write("\b");                
  18.  
  19.             for (j = 1; j < space; j++)
  20.                 Console.Write(" ");
  21.  
  22.  
  23.             for (j = CH; j >= 'A'; j--)
  24.                 Console.Write((char)(j));
  25.  
  26.  
  27.             Console.WriteLine();
  28.             CH--;
  29.             space++;
  30.         }
  31.         Console.ReadLine();
  32.     }
  33. }

Alphabet pattern 16

A 
B C 
D E F 
G H I J 
K L M N O

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i, j;
  8.         char ch = 'A';
  9.         for (i = 1; i <= 5; i++)
  10.         {
  11.             for (j = 1; j <= i; j++)
  12.             {
  13.                 Console.Write(ch++);
  14.             }
  15.             Console.WriteLine();
  16.  
  17.  
  18.         }
  19.         Console.ReadLine();
  20.     }
  21.  
  22. }

Alphabet pattern 17

         A
       B A B
     C B A B C
   D C B A B C D
 E D C B A B C D E

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i, j;
  8.         int n = 5;
  9.  
  10.         for (i = 1; i <= n; i++)
  11.         {
  12.             for (j = 1; j <= n - i; j++)
  13.             {
  14.                 Console.Write(" ");
  15.             }
  16.             for (j = i; j > 0; j--)
  17.             {
  18.                 Console.Write((char)(j + 64));                
  19.             }
  20.             for (j = 2; j <= i; j++)
  21.             {
  22.                 Console.Write((char)(j + 64));
  23.  
  24.             }
  25.             Console.WriteLine();
  26.         }
  27.         Console.ReadLine();
  28.     }
  29.  
  30. }

Alphabet pattern 18

A
B F
C G J
D H K M
E I L N O

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i, j;
  8.         int n = 5;
  9.         int diff, value;
  10.  
  11.         for (i = 1; i <= n; i++)
  12.         {
  13.             diff = n - 1;
  14.             value = i;
  15.             for (j = 1; j <= i; j++)
  16.             {
  17.                 Console.Write((char)(value + 64));
  18.                 value = value + diff;
  19.                 diff--;
  20.             }
  21.             Console.WriteLine();
  22.         }   
  23.         Console.ReadLine();
  24.     }
  25.  
  26. }

Alphabet pattern 19

A
A B C
A B C D E
A B C D E F G
A B C D E F G H I

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i, j;
  8.         int n = 5;
  9.  
  10.         for (i = 1; i <= n; i++)
  11.         {
  12.             for (j = 1; j <= (i * 2 - 1); j++)
  13.             {
  14.                 Console.Write((char)(j + 64));                
  15.             }
  16.             Console.WriteLine();
  17.         }
  18.         Console.ReadLine();
  19.     }
  20.  
  21. }

Alphabet pattern 20

E F G H I
D E F G
C D E
B C
A

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i, j, k;
  8.         int n = 5;
  9.  
  10.         for (i = n; i >= 1; i--)
  11.         {
  12.             k = i;
  13.             for (j = 1; j <= i; j++, k++)
  14.             {
  15.                 Console.Write((char)(k + 64));                
  16.             }
  17.             Console.WriteLine();
  18.  
  19.         }
  20.         Console.ReadLine();
  21.     }
  22.  
  23. }

Alphabet pattern 21

A B C D E
B C D E
C D E
D E
E

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i, j;
  8.         int n = 5;
  9.  
  10.         for (i = 1; i <= n; i++)
  11.         {
  12.             for (j = i; j <= n; j++)
  13.             {
  14.                 Console.Write((char)(j + 64));
  15.  
  16.             }
  17.             Console.WriteLine();
  18.  
  19.         }
  20.         Console.ReadLine();
  21.     }
  22. }

Alphabet pattern 22

        A
      B B
    C C C
  D D D D
E E E E E

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i, j, k;
  8.         int n = 5;
  9.  
  10.         for (i = 1; i <= n; i++)
  11.         {
  12.             for (j = 1; j <= n - i; j++)
  13.             {                
  14.                 Console.Write(" ");
  15.             }
  16.             for (k = 1; k <= i; k++)
  17.             {
  18.                 Console.Write((char)(i + 64));                
  19.             }
  20.             Console.WriteLine();
  21.         }
  22.         Console.ReadLine();
  23.     }
  24. }

Alphabet pattern 23

 ABCDEF
  GHIJK
   LMNO
    PQR
     ST
      U

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i, j, k;
  8.         char c = 'A';
  9.         int n = 6;
  10.         for (i = 0; i <= n; i++)
  11.         {
  12.             for (j = 0; j <= i; j++)
  13.             {
  14.                 Console.Write(" ");                
  15.             }
  16.             for (k = n - i - 1; k >= 0; k--)
  17.             {
  18.                 Console.Write(c);                
  19.                 c++;
  20.             }
  21.             Console.WriteLine();
  22.         }
  23.         Console.ReadLine();
  24.     }
  25. }

Alphabet pattern 24

A
BC
DEF
GHIJ
KLMNO
PQRSTU

  1. using System;
  2.  
  3. public class AlphabetPattern
  4. {
  5.     public static void Main(string[] args)
  6.     {
  7.         int i, j;
  8.         char c;
  9.         int n = 6;
  10.  
  11.         c = 'A';
  12.         for (i = 0; i < n; i++)
  13.         {
  14.             for (j = 0; j <= i; j++)
  15.             {
  16.                 if (c == 'Z')
  17.                     break;                
  18.                 Console.Write(c);
  19.                 c++;
  20.             }
  21.             Console.WriteLine();
  22.  
  23.         }
  24.         Console.ReadLine();
  25.     }
  26. }



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