Pattern19.java

package com.java.patterns;
import java.util.Scanner;
/*
Write the program to print the following pattern
        1
      3 2 1
    5 4 3 2 1
  7 6 5 4 3 2 1
9 8 7 6 5 4 3 2 1
*/
public class Pattern19 {
	public static void main(String args[] ) throws Exception {
		Scanner scanner = new Scanner(System.in);
        int N = Integer.parseInt(scanner.nextLine());
        int iSpace = 0;
        for(int i=0;i<N;i++){
            for(int j = iSpace;j<N-1;j++)
            System.out.print("  ");
            for(int j=2*i+1;j>=1;j--)
                if(j == 2*i+1)
                    System.out.print(j);
                else
                    System.out.print(" "+j);
            iSpace++;
            if(i != N-1)
                System.out.println();
        }
        scanner.close();
   }
}
/*
Input
5
Output
        1
      3 2 1
    5 4 3 2 1
  7 6 5 4 3 2 1
9 8 7 6 5 4 3 2 1
*/