Java Program for Triangular Patterns of Alphabets

import java.util.*;

public class alphtriangle 
{
  public static void main(String[] args) 
  {
    int i, j, n;
    Scanner sc = new Scanner(System.in);
    System.out.println("Enter the no of lines ");
    n = sc.nextInt();
    for (i = 1; i <= n; i++) 
    {
      for (j = 1; j <= n - i; j++)
        System.out.print("  ");
      for (j = i; j > 0; j--)
        System.out.printf(" %c", (char)(j + 64));
      for (j = 2; j <= i; j++)
        System.out.printf(" %c", (char)(j + 64));

      System.out.println();
    }
  }
}