import javax.swing.*;
public class NestedLoop
{
public static void main(String args[])
{
for(int x=0;x< 5;x++)
{
for(int y=0;y<=x;y++)
{
System.out.print("*");
}// end innerloop
System.out.println("");
}//end outerloop
System.out.println();
}//end main
}//end class