Update java-quiz.md (Ebazhanov#2727)

Q100
Vactor Class extend Collection interface, so it's right option and the correct answer is HashMap class beacuse it implement Map interface

java/java-quiz.md

@@ -1349,10 +1349,12 @@ public class Main {
 
 #### Q100. Which class does not implement the java.util.Collection interface?
 
-- [x] java.util.Vector
+- [ ] java.util.Vector
 - [ ] java.util.ArrayList
 - [ ] java.util.HashSet
-- [ ] java.util.HashMap
+- [x] java.util.HashMap
+
+**Explanation**: HashMap class implements Map interface.
 
 #### Q101. You have a variable of named `employees` of type `List<Employee>` containing multiple entries. The `Employee` type has a method `getName()` that returns te employee name. Which statement properly extracts a list of employee names?