program public class A { } } public class A { What is wrong with each of the following programs? public static void main(String[] args) { A al= new A(5); } } } public static void main(String[] args) { A a1 = new A(); al.getE(); public class TestCircle( public void methodl() { Circle c; } System.out.println("the radius is " + c.getRadius()); c = new Circle(); } public class A ( public static void main(String[] args) { 8 b class B new B(10.1); System.out.println(b.value); int value = 2; Error