9 Apr, 2007
Java Interview Questions
- What is the Collections API? - The Collections API is a set of classes and interfaces that support operations on collections of objects
- What is the List interface? - The List interface provides support for ordered collections of objects.
- What is the Vector class? - The Vector class provides the capability to implement a growable array of objects
- What is an Iterator interface? - The Iterator interface is used to step through the elements of a Collection
- Which java.util classes and interfaces support event handling? - The EventObject class and the EventListener interface support event processing
- What is the GregorianCalendar class? - The GregorianCalendar provides support for traditional Western calendars
- What is the Locale class? - The Locale class is used to tailor program output to the conventions of a particular geographic, political, or cultural region
- What is the SimpleTimeZone class? - The SimpleTimeZone class provides support for a Gregorian calendar
- What is the Map interface? - The Map interface replaces the JDK 1.1 Dictionary class and is used associate keys with values
- What is the highest-level event class of the event-delegation model? - The java.util.EventObject class is the highest-level class in the event-delegation class hierarchy