Star pattern

class Main {
    public static void main(String[] args) {
        
        int row = 5;
        int row1 = 4;
        int row2 = 4;
        int i , j , k;
      for(i=1 ; i<=row ; i++){
          for (j=1 ; j<=row1 ; j++){
              System.out.print(" ");
          }
          k=i;
          while(k>0) {
              System.out.print("* ");
               
              k--;
          }
        System.out.println();
        row1 = row1 - 1;
       
      }
             // System.out.println();

        for (i=1 ; i<= row2 ; i++) {
          //  System.out.println();
            k = i;
                    while(k>0){
                     System.out.print(" ");
                     k--;
             } 
            for (j=4 ; j>=i ; j--) {
                System.out.print("* ");
            }
                
                
                   System.out.println();
                    
                    
        }
        
        
        
        
        
    }
    
}