Alphabet Pyramid Pattern in Java: pattern 1

In this tutorial, we will write a Java program to display alphabet pyramid patterns. Before that, you may go through the following topic in java.

• for loop in java

We will look at pyramid patterns in java using alphabets/letters/characters.

Pyramid triangle alphabet

This is a mirror image pattern of letters in java.

import java.util.Scanner;

public class Main
{
  public static void main(String args[])
  {
    int rows, i, j;
    Scanner scan = new Scanner(System.in);

    System.out.print("Enter the number of rows: ");
    rows = scan.nextInt();

    for (i = 1; i <= rows; i++)
    {
      for (j = 1; j <= rows - i; j++)
        System.out.print(" ");

      for (j = 1; j <= i; j++)
        System.out.print((char)(j + 64));

      for (j = i - 1; j >= 1; j--)
        System.out.print((char)(j + 64));

      System.out.println();
    }
  }
}

Enter the number of rows: 6
     A
    ABA
   ABCBA
  ABCDCBA
 ABCDEDCBA
ABCDEFEDCBA