Java programs to print alphabet pattern


Introduction

In this article, I have explained the list of all alphabet pattern programs in java programming language. I have used NetBeans IDE 8.2 for debugging purpose. But you can use any java programming language compiler as per your availability.


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Alphabet pattern : 1

A
BB
CCC
DDDD
EEEEE

  1. import java.util.*;
  2.  
  3. class JavaApplication2
  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.              System.out.print((char)(i+64));
  15.          }
  16.  
  17.          System.out.println("");
  18.      }
  19.  }
  20. }

Alphabet pattern : 2

AAAAA

BBBB

CCC

DD

E

  1. import java.util.*;
  2.  
  3. class JavaApplication2
  4. {
  5.  public static void main(String args[])
  6.  {
  7.  int i,j;
  8.  int n=5;
  9.  
  10.  
  11.      for(i=1;i<=n;i++)
  12.      {
  13.          for(j=i;j<=n;j++)
  14.          {
  15.              System.out.print((char)(i+64));
  16.          } 
  17.          System.out.println("");
  18.      }
  19.  }
  20.  
  21. }

Alphabet pattern : 3

A
AB
ABC
ABCD
ABCDE

  1. import java.util.*;
  2.  
  3. class JavaApplication2
  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.              System.out.print((char)(j+64));
  15.          } 
  16.          System.out.println("");
  17.      }
  18.  }
  19.  
  20. }

Alphabet pattern : 4

E

DE

CDE

BCDE

ABCDE

  1. import java.util.*;
  2.  
  3. class JavaApplication2
  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.              System.out.print((char)(j+64));
  15.          } 
  16.          System.out.println("");
  17.      }
  18.  }
  19.  
  20. }

Alphabet pattern : 5

A
BA
CBA
DCBA
EDCBA

  1. import java.util.*;
  2.  
  3. class JavaApplication2
  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.              System.out.print((char)(j+64));
  15.          } 
  16.          System.out.println("");
  17.      }
  18.  }
  19.  
  20. }

Alphabet pattern : 6

E

ED

EDC

EDCB

EDCBA

  1. import java.util.*;
  2.  
  3. class JavaApplication2
  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.              System.out.print((char)(j+64));
  15.          } 
  16.          System.out.println("");
  17.      }
  18.  }
  19. }
     

Alphabet pattern 7

E

DD

CCC

BBBB

AAAAA

  1. import java.util.*;
  2.  
  3. class JavaApplication2
  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.              System.out.print((char)(n-i+1+64));
  15.          }
  16.  
  17.          System.out.println("");
  18.      }
  19.  }
  20. }

Alphabet pattern 8

EEEEE

DDDD

CCC

BB

A

  1. import java.util.*;
  2.  
  3. class ap2
  4. {
  5.  public static void main(String args[])
  6.  {
  7.  int i,j;
  8.  
  9.  int n=5;
  10.  
  11.      for(i=n;i>=1;i--)
  12.      {
  13.          for(j=1;j<=i;j++)
  14.          {
  15.              System.out.print((char)(i+64));
  16.          }
  17.          System.out.println("");
  18.      }
  19.  }
  20. }

Also check

All star patterns using java programming Language

All numbers patterns using Java programming Language

Alphabet pattern 9

EDCBA

EDCB

EDC

ED

E

  1. import java.util.*;
  2.  
  3. class JavaApplication2
  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.              System.out.print((char)(j+64));
  15.          } 
  16.          System.out.println("");
  17.      }
  18.  }
  19.  
  20. }

Alphabet pattern 10

EDCBA

DCBA

CBA

BA

A

  1. import java.util.*;
  2.  
  3. class JavaApplication2
  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.              System.out.print((char)(j+64));
  15.          } 
  16.          System.out.println("");
  17.      }
  18.  }
  19. }

Alphabet pattern 11

A

ABA

ABCBA

ABCDCBA

ABCDEDCBA

  1. import java.util.*;
  2.  
  3. class JavaApplication2
  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.      System.out.printf(" ");
  16.  } 
  17.         for(j=1;j<=i;j++)
  18.          {
  19.      System.out.printf("%c",(char)(j+64));
  20.  } 
  21.         for(j=i-1;j>=1;j--)
  22.          {
  23.      System.out.printf("%c",(char)(j+64));
  24.  } 
  25.  
  26.          System.out.println();
  27.      }
  28.  }
  29. }

Alphabet pattern 12 

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


  1. import java.util.*;
  2.  
  3. class JavaApplication2
  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+1;j++)
  13.          {
  14.              System.out.print((char)(j+64));
  15.          } 
  16.          System.out.println("");
  17.      }
  18.  }
  19. }
     

Alphabet pattern 13

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

  1. import java.util.*;
  2.  
  3. class JavaApplication2
  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.              System.out.print((char)(j+64));
  15.          } 
  16.          System.out.println("");
  17.      }
  18.  }
  19. }

Alphabet pattern 14

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

  1. import java.util.*;
  2.  
  3. class JavaApplication2
  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.              System.out.print((char)(j+64));
  15.          } 
  16.          System.out.println("");
  17.      }
  18.  }
  19. }

Alphabet pattern 15

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

  1. import java.util.*;
  2.  
  3. class JavaApplication2
  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.      System.out.printf(" ");
  16.  } 
  17.         for(j=1;j<=i;j++)
  18.          {
  19.      System.out.printf("%c",(char)(j+64));
  20.  } 
  21.         for(j=i-1;j>=1;j--)
  22.          {
  23.      System.out.printf("%c",(char)(j+64));
  24.  } 
  25.  
  26.          System.out.println();
  27.      }
  28.  }
  29. }

Alphabet pattern 16

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

  1. import java.util.*;
  2.  
  3. class JavaApplication2
  4. {
  5.  public static void main(String args[])
  6.  {
  7.  int i,j;
  8.  int n=5,k=1;
  9.  
  10.      System.out.println("Floyd's Triangle using alphabets/characters");
  11.      for(i=1;i<=n;i++)
  12.      {
  13.         for(j=1;j<=i;j++,k++)
  14.          {
  15.              System.out.printf("%4c",(char)(k+64));
  16.          }
  17.  
  18.          System.out.println("");
  19.      }
  20.  }
  21. }

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. import java.util.*;
  2.  
  3. class JavaApplication2
  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.      System.out.printf("  ");
  16.  } 
  17.         for(j=i;j>0;j--)
  18.          {
  19.      System.out.printf(" %c",(char)(j+64));
  20.  } 
  21.         for(j=2;j<=i;j++)
  22.          {
  23.      System.out.printf(" %c",(char)(j+64));
  24.  } 
  25.  
  26.          System.out.println();
  27.      }
  28.  }
  29. }

Alphabet pattern 18

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

  1. import java.util.*;
  2.  
  3. class JavaApplication2
  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.              System.out.printf("%4c", (char)value+64);
  18.          value=value+diff; 
  19.              diff--;
  20.          } 
  21.          System.out.println("");
  22.      }
  23.  }
  24. }

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. import java.util.*;
  2.  
  3. class JavaApplication2
  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.              System.out.print((char)(j+64));
  15.          } 
  16.          System.out.println("");
  17.      }
  18.  }
  19. }

Alphabet pattern 20

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

  1. import java.util.*;
  2.  
  3. class JavaApplication2
  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.              System.out.print((char)(k+64));
  16.          } 
  17.          System.out.println("");
  18.      }
  19.  }
  20. }

Alphabet pattern 21

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

  1. import java.util.*;
  2.  
  3. class JavaApplication2
  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.              System.out.print((char)(j+64));
  15.          } 
  16.          System.out.println("");
  17.      }
  18.  }
  19. }

Alphabet pattern 22

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

  1. import java.util.*;
  2.  
  3. class JavaApplication2
  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.  
  13.         for(j=1;j<=n-i;j++)
  14.          {
  15.  System.out.print(" ");
  16.          } 
  17.         for(k=1;k<=i;k++)
  18.          {
  19.  System.out.print((char)(i+64));
  20.          } 
  21.  
  22.          System.out.println("");
  23.      }
  24.  }
  25. }



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