class Main { public static void main(String[] args) { System.out.println("Hello World!"); Main main = new Main(); float[] result = main.squares(20,30,10,5); System.out.println(result); } public float[] squares(int a, int b, int c, int d){ float[] result = {a*a,b*b,c*c,d*d}; for(int index = 0; index < result.length; index++) { System.out.println(result[index]); } return result; } }