What is the output of the code below? public class Final { public int display(int x, int y) { return ("the sum of x and y is " + x + y); } public static void main(String[] args) { Final f = new Final(); System.out.println(f.display(4, 5)); } } Yanitiniz: Er The sum of x and y is 9 The sum of x and y is 45 It won't compile None of them Yaniti temizle