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java interview questions-2
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Q: What is the Collections API?
A: The Collections API is a set of classes and interfaces that support operations on collections of objects. [ Received from Prasanna Inamanamelluri] TOPYour browser may not support display of this image. Q: What is the List interface? A: The List interface provides support for ordered collections of objects. [ Received from SPrasanna Inamanamelluri] TOPYour browser may not support display of this image. Q: What is the Vector class? A: The Vector class provides the capability to implement a growable array of objects. [ Received from Prasanna Inamanamelluri] TOPYour browser may not support display of this image. Q: What is an Iterator interface? A: The Iterator interface is used to step through the elements of a Collection . [ Received from Prasanna Inamanamelluri] TOPYour browser may not support display of this image. Q: Which java.util classes and interfaces support event handling? A: The EventObject class and the EventListener interface support event processing. [ Received from Prasanna Inamanamelluri] TOPYour browser may not support display of this image. Q: What is the GregorianCalendar class? A: The GregorianCalendar provides support for traditional Western calendars [ Received from Prasanna Inamanamelluri] TOPYour browser may not support display of this image. Q: What is the Locale class? A: The Locale class is used to tailor program output to the conventions of a particular geographic, political, or cultural region . [ Received from Prasanna Inamanamelluri] TOPYour browser may not support display of this image. Q: What is the SimpleTimeZone class? A: The SimpleTimeZone class provides support for a Gregorian calendar . [ Received from Prasanna Inamanamelluri] TOPYour browser may not support display of this image. Q: What is the Map interface? A: The Map interface replaces the JDK 1.1 Dictionary class and is used associate keys with values. [ Received from Prasanna Inamanamelluri] TOPYour browser may not support display of this image. Q: What is the highest-level event class of the event-delegation model? A: The java.util.EventObject class is the highest-level class in the event-delegation class hierarchy. [ Received from Prasanna Inamanamelluri] TOPYour browser may not support display of this image. Q: What is the Collection interface? A: The Collection interface provides support for the implementation of a mathematical bag - an unordered collection of objects that may contain duplicates. [ Received from Prasanna Inamanamelluri] TOPYour browser may not support display of this image. Q: What is the Set interface? A: The Set interface provides methods for accessing the elements of a finite mathematical set. Sets do not allow duplicate elements. [ Received from Prasanna Inamanamelluri] TOPYour browser may not support display of this image. Q: What is the t... Show full text: 5,717 characters
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