in the main method? 21. What is the printout for the first sta public class Foo ( static int i-0 static int j- public static void main(String[) args) f int i 2; int k- 3 int j - 3 Systemout printin("i + j is " + i + j); k-i+j; System.out println"k is"+k) System.out.printin("'j is"j) ?.itj is 23 B. i +j is 22 C.?tjs6 D. i +jis5 22. Which of the following statements are true? A. Use the private modifier to encapsulate data fields. B. Encapsulating data fields helps prevent programming errors. C. Encapsulating data fields makes the program easy to maintain. D. All of the above. 23. Which of the following statement is most accurate? A. A reference variable is an object C. An object may contain other objects. B. A reference variable refers to an object D. None of the above. 24. The default value for data field of a boolean type, numeric type, object type isrespectively A. true, 0, null C. false, 1, null E. false, 0, null B. true, 1, null D. true, 1, Null 25. Which of the following statements are true? A. Constructors must have the same name as the class itself B. Constructors do not have a return type, not even void. C. Constructors are invoked using the new operator when an object 1s ctcas are explicitly D. A default no-arg constructor is provided automatically if no constructo if no constructors are explicitly declared in the class. E All of the above 26. An object is an instance of a A. data C. class B. method D. program 27 is a construct that defines objects of the same type A. An object C. A class B. A method D. A data field