series-9

 * 

* *

* * *

* * * *

class series

{

public static void main(String args[])

{

for(int r=1;r<=4;r++)

{

for (int c=1 ; c<=r ; c++)

{

System.out.print("*"+ "  ");

}

System.out.println() // to come to next line

}

}

}

// common way

class series

{

public static void main(String args[])

{

int  d=1;   //    d- means how many element in first line

for(int r=1;r<=4;r++)

{

for (int c=1 ; c<=d ; c++)

{

System.out.print('*'+ "  ");

}

d++;

System.out.println() // to come to next line

}

}

}