java-practice-notes/pattern_demo1.java.bak at main · aravindkumar2503/java-practice-notes · GitHub

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/*
    * * * * *
     * * * *
      * * *
       * *
        *
        *
       * *
      * * *
     * * * *
    * * * * *
*/
import java.util.Scanner;
class pattern_demo1
{
	static Scanner sc=new Scanner(System.in);
	public static void main(String[] args)
	{
		System.out.print("enter n:");
		int n=sc.nextInt();

		for (int i=0;i<n ;i++ )
		{
			for(int j=0;j<n;j++)
			{
				if(i<=j)
				{
					System.out.print("* ");
				}
				else
				{
					System.out.print("  ");
				}
			}
			for (int j=1;j<n ;j++ )
			{
				if(i+j<=n-1)
				{
					System.out.print("* ");
				}
				else
				{
					System.out.print("  ");
				}
			}
			System.out.println();

		}
		for (int i=0;i<n ;i++ )
		{
			for(int j=0;j<n;j++)
			{
				if(i+j>=n-1)
				{
					System.out.print("* ");
				}
				else
				{
					System.out.print("  ");
				}
			}
			for (int j=0;j<n ;j++ )
			{
				if(i>j)
				{
					System.out.print("* ");
				}
				else
				{
					System.out.print("  ");
				}
			}
			System.out.println();

	}
}