package mars.test;

public class Test {

    /**
     * @param args
     */
    public static void main(String[] args) {
        int i=0;
        while(i++<10)
        {
           int j=0;
           while(j++<i)
           {
             System.out.print("*");
           }
           System.out.println("\n");
        }

    }

}