Star Series

/*
  *
  ***
 *****
*******
 *****
  ***
   *
pattern
*/
class StarSeries
{
public static void main(String args[])
{
int i,j,cn=1;
for(i=1;i<=7;i++)
{
for(j=1;j<=cn;j++)
System.out.print("*");
if(i>=4)
cn=cn-2;
else
cn=cn+2;
System.out.println();
}
}