1. A class has a default constructor only if the class does not define any constructor. (1 Point) True False 2. What is the output of the following code? public class Abc { static int z=5; public static void main(Stringargs) { Abc obj1 = new Abc(); Abc obj2 = new Abc(); obj1 .z=10; System.out.println(obj2.z); } } (1 Point)