Left Pascal's Triangle

import java.util.Scanner;  
public class LeftPascalTrianglePattern  
{  
public static void main(String[] args)  
{  
int i, j, k, rows;  
Scanner sc = new Scanner(System.in);  
System.out.print("Enter the number of rows you want to print: ");  
rows = sc.nextInt();          
for (i= 1; i<= rows ; i++)  
{  
for (j=i; j <rows ;j++)              
{  
System.out.print(" ");  
}  
for (k=1; k<=i;k++)   
{  
System.out.print("*");   
}   
System.out.println("");   
}   
for (i=rows; i>=1; i--)  
{  
for(j=i; j<=rows;j++)  
{  
System.out.print(" ");  
}  
for(k=1; k<i ;k++)   
{  
System.out.print("*");  
}  
System.out.println("");  
}  
sc.close();  
}  
}