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PATTERN: ARROW

PROGRAM: ARROW PATTERN

AIM: TO PRINT THE ARROW PATTERN

SUCH AS

1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1

SYNTAX:
import java.io.*;

class pattern_arrow
{
    public static void main(String args[])throws IOException
    {
        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
        System.out.println("ENTER A NUMBER");
        int n=Integer.parseInt(br.readLine());
        for(int i=1;i<=n;i++)
        {
            for(int j=1;j<=i;j++)
            {
                System.out.print(j+" ");
            }
            System.out.println();
        }
        for(int i=n-1;i>=1;i--)
        {
            for(int j=1;j<=i;j++)
            {
             System.out.print(j+" ");
            }
            System.out.println();
        }
    }
}


OUTPUT:

        

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