4. Consider the following code segment Map mapi = new HashMap (); Map map2 = new TreeMap(); map1.put("A", "Aardvark"); mapi.put("B", "Bear"); mapi.put("C", "Cat"); mapi.put("D", "Dog"); map2.put("A", "Aardvark"); map2.put("3", "Bear"); map2.put("C", "Cat"); map2.put("D", "Dog"); System.out. printin (mapi); System.out. printin (map2); What is printed as a result of executing the code segment? (A) (A=Aardvark, B=Bear, C=Cat, D=Dog) {A=Aardvark, B=Bear, C=Cat, D=Dog) (B) {B=Bear, D=Dog, C=Cat, A=Aardvark} {A=Aardvark, B=Bear, C=Cat, D=Dog) (C) [B, D, C, A] [A, B, C, D] (D) [D, C, B, A] {A=Aardvark, B=Bear, C=Cat, D=Dog} (E) {A=Aardvark, B=Bear, C=Cat, D=Dog} [D, C, B, A] 5. Consider the following mystery method. public static Object mystery (Map x) // precondition: x is a map that associates Integer keys with Integer values. Set temp = new TreeSet(); for (int k = 1; k