Program:

        *
      * *
    * * *
  * * * *
* * * * *
  * * * *
    * * *
      * *
        *

• Below is the program:

  public class StarPattern6
  {
      public static void main(String[] args)
      {
          // Upper half of the pattern
          for (int i=1; i<=5; i++)
          {
              for(int j=4; j>=i; j--)
              {
                  System.out.print(" ");
              }
              for (int k=1; k<=i; k++)
              {
                  System.out.print("*");
              }
              System.out.println();
          }
          // Lower half of the pattern
          for(int i=1; i<=4; i++)
          {
              for(int j=1; j<=i; j++)
              {
                  System.out.print(" ");
              }
              for(int k=4; k>=i; k--)
              {
                  System.out.print("*");
              }
              System.out.println();
          }
      }
  }