Analyze the following code: public class Test{ public static void main(String[] args) { new B();}} class A{ ini i = 7; public A() { System.out.println("I from A is" * i);} public void setl(int i){ this.i = 2 * i;}} class B extends A { public B() { setl(20);//System.out.println("i from B is" + i);} public void setl(int i) { this.i = 3 * i;}} A) The constructor of class A is called and it displays "i from A is 7", The constructor of class A is not called. The constructor of class A is called and it displays "i from A is 60". Suppose ArrayList x contains two strings [Beijing, Singapore]. Which of the following methods will cause the list to become [Beijing, Chicago, Singapore]? x.add(1, "Chicago") x.add("Chicago") x.add(0, "Chicago") x.add(2, "Chicago")