1. What is the Collections API?

Answer
The Collections API is a set of classes and interfaces that support operations on collections of objects.

2. What is the List interface?

Answer
The List interface provides support for ordered collections of objects.

3. What is the Vector class?

Answer
The Vector class provides the capability to implement a growable array of Objects

4. What is an Iterator interface?

Answer
The Iterator interface is used to step through the elements of a Collection.

5. Which java.util classes and interfaces support event handling?

Answer
The EventObject class and the EventListener interface support event processing.

6. What is the GregorianCalendar class?

Answer
The GregorianCalendar provides support for traditional Western calendars.

7. What is the Dictionary class?

Answer
The Dictionary class provides the capability to store key-value pairs.

8. What is the SimpleTimeZone class?

Answer
The SimpleTimeZone class provides support for a Gregorian calendar.