Designing Patterns - Print 'Z'.

SOURCE CODE

import java.io.*;
import java.util.*;
public class Z
{
    public static void main(String args[])
    {
        Scanner sc=new Scanner (System.in);
        System.out.print("Enter a odd number >=5 :");
        int n=sc.nextInt();
        int a=n/2+1;
        System.out.println("\n");
        if(n>=5&& n%2!=0 )            
        {
            for(int i=1;i<=n;i++)
            {
                for(int j=n;j>0;j--)
                {
                    if(i==1||i==n||j==i)
                        System.out.print("Z ");
                    else
                        System.out.print("  ");
                }
                System.out.println();
            }
        }
        else
        System.out.println("Invalid Input.");
    }
}

OUTPUT

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