To print the value of z of myobj of this program, which one is the correct code? class Main Main2 m2 = new Main20; } class Main2 int z = 10; } class App public static void main(String[] args) { Main myObj = new Main(); 3 } System.out.println(myObj. m2.z); System.out.println(myObj. Main Main2.z); System.ou println(myObj.z); System.out.println(myObj. Main2.z)