PATTERN PROGRAM 2 : ENTER NUMBER OF TERMS FROM 1 TO 5 (NOT MORE)AND YOU WILL GET A PATTERN OF ALPHABET 'a'.

Example: you have entered the number '4' ; then output is:

 

 

PROGRAM:

 

import java.util.Scanner;
public class assign11
{
   public static void main(String args[]){
       Scanner sc = new Scanner(System.in);
       System.out.println("Enter the number of terms to be printed in the series(FROM 1 TO 5):");
       int n = sc.nextInt();
       if(n<1||n>5)
       System.out.println("Wrong input.");
       else{
       int h = 0;
       int d = n-1;
        for(int i = 1 ; i<=n ; i++){
           for(int s = 1 ; s<= d ; s++){
               System.out.print(" ");
            }
            System.out.print("a");
           for(int t = 1 ; t<= h ; t++){
                if(t%2==0){
                    System.out.print("a");
                }
                else{
                    System.out.print(" ");
                }
           }
           h = h + 2;
           d = d - 1;
           System.out.println();
        }
        if(n%2==0){
          int c = n+2;
          for(int k = 1 ; k<= n ; k++){
            for(int s = 1 ; s<=k-1 ; s++){
                System.out.print(" ");
            }
            System.out.print("a");
            for(int j = 1 ; j<=c ; j++){
                if(j%2==0){
                    System.out.print("a");
                }
                else{
                    System.out.print(" ");
                }
            }
            c = c - 2;
            System.out.println();
          }
        }
        else{
            int c = n +3;
            for(int k = 1 ; k<= n ; k++){
            for(int s = 1 ; s<=k-1 ; s++){
                System.out.print(" ");
            }
            System.out.print("a");
            for(int j = 1 ; j<=c ; j++){
                if(j%2==0){
                    System.out.print("a");
                }
                else{
                    System.out.print(" ");
                }
            }
            c = c - 2;
            System.out.println();
          }
        }
    }
}
}