Program:

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

• Below is the program:

  public class StarPattern4
  {
      public static void main(String[] args)
      {
          // Outer loop for number of rows
          for (int i=1; i<=5; i++)
          {
              // Inner loop for spaces in each row
              for(int j=4; j>=i; j--)
              {
                  System.out.print(" ");
              }
              // Inner loop for stars in each row
              for (int k=1; k<=i; k++)
              {
                  System.out.print("*");
              }
              // Move to the next line after printing stars in each row
              System.out.println();
          }
      }
  }