In the text box, enter in the number that is printed (and only that number) when the class below is run from the command line: public class Mystery { } private int data; public Mystery(int data) { this.data = data; } public } public int mystery1(int x) { data += ++X; return data; } int mystery2(int x, int y) { return x + y--; } public static void main(String[] args) { Mystery m = new Mystery(3); System.out.println( m.mystery2(m.mystery1(2),4));