Java Program to Print Alphabet N Number Pattern

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Printing Alphabet N Number Pattern

In the previous article, we have discussed Java Program to Print Alphabet Z Number Pattern

In this article we are going to see how to print alphabet ‘N’  number pattern.

Example-1

When rows value = 5

1          1
2   2      2
3     3    3
4       4  4
5           5
Example-2:

When rows value=7

1              1
2   2          2
3     3        3
4       4      4
5         5    5
6           6  6
7               7

Now, let’s see the actual program to print it.

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Approach:

  • Enter total number of rows and store it in an integer variable rows.
  • Take for loops to iterate the rows and columns.
  • After each iteration print a new line.

Java Code to Print Alphabet N Number Pattern

import java.util.Scanner;
class pattern
{

public static void main(String[] args)
{
    //Create a new Scanner object
    Scanner scan = new Scanner(System.in);

    //Taking total number of rows as input from user
    System.out.print("Rows : ");
    int rows= scan.nextInt();

    //Row and column are the iterators and counter to print
    int numberOfRows, numberOfColumns;

    //THe dimensions for the pattern
    int right = 1, left = 1, dia = 2;

    //Iterates from 0 to (2 * rows) -1
    for (numberOfRows = 0; numberOfRows < rows; numberOfRows++)
    {
        //Prints the left side
        System.out.print(left++ + " ");

        //Space for diagonal
        for (numberOfColumns = 0; numberOfColumns < 2 * numberOfRows; numberOfColumns++)
            System.out.print(" ");

        //Prints diagonal
        if (numberOfRows != 0 && numberOfRows != rows - 1)
            System.out.print(dia++);
        else
            System.out.print(" ");

        //Space for right values
        for (numberOfColumns = 0; numberOfColumns < 2 * (rows - numberOfRows - 1); numberOfColumns++)
        {
            System.out.print(" ");
        }

        // Prints the right side
        System.out.print(right++);
        // Prints a new line
        System.out.println();
    }
}
}

Output:

Rows : 5

1          1
2   2      2
3     3    3
4       4  4
5           5

C Code to Print Alphabet N Number Pattern

#include <stdio.h>

int main()
{
   //Taking total number of rows as input from user
   printf("Rows : ");
   int rows;
   scanf("%d", &rows);

   //Row and column are the iterators and counter to print
   int numberOfRows, numberOfColumns;

   //THe dimensions for the pattern
   int right = 1, left = 1, dia = 2;

   //Iterates from 0 to (2 * rows) -1
   for (numberOfRows = 0; numberOfRows < rows; numberOfRows++)
   {
      //Prints the left side
      printf("%d ", left++);

      //Space for diagonal
      for (numberOfColumns = 0; numberOfColumns < 2 * numberOfRows; numberOfColumns++)
         printf(" ");

      //Prints diagonal
      if (numberOfRows != 0 && numberOfRows != rows - 1)
         printf("%d", dia++);
      else
         printf(" ");

      //Space for right values
      for (numberOfColumns = 0; numberOfColumns < 2 * (rows - numberOfRows - 1); numberOfColumns++)
      {
         printf(" ");
      }

      // Prints the right side
      printf("%d", right++);
      // Prints a new line
      printf("\n");
   }
   return 0;
}

Output:

Rows : 5

1          1
2   2     2
3     3   3
4       4 4
5          5

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