The following program produces 4 lines of output. write each line of output below as it would appear on the console. public class referencemystery3 { public static void main(string[] args) { int a = 7; int b = 9; point p1 = new point(2, 2); point p2 = new point(2, 2); addtoxtwice(a, p1); system. out. println(a + " " + b + " " + p1.x + " " + p2.x); addtoxtwice(b, p2); system. out. println(a + " " + b + " " + p1.x + " " + p2.x); } public static void addtoxtwice(int a, point p1) { a = a + a; p1.x = a; system. out. println(a + " " + p1.x); } } public class referencemystery3 { public static void main(string[] args) { int a = 7; int b = 9; point p1 = new point(2, 2); point p2 = new point(2, 2); addtoxtwice(a, p1); system. out. println(a + " " + b + " " + p1.x + " " + p2.x); addtoxtwice(b, p2); system. out. println(a + "