Java Program To Print Stars In Parabola Shape

   public class ParabolaCurve {

public static void main(String... babu) {

for (int i = -10; i <= 10; i++) {

for (int j = 0; j <= i * i; j++) {

if (j == i * i) {
System.out.println("*");
} else {
System.out.print(" ");
}
}

}
System.out.println();

}

}