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What is an Iterator?
Some of the collection classes give traversal of their contents via a java.util.Iterator interface. This interface permits you to walk through a collection of objects, operating on every object in turn.
Remember when using Iterators that they have a snapshot of the collection at the time the Iterator was obtained; generally it is not advisable to modify the collection itself whereas traversing an Iterator.
A Mexican restaurant in London is struggling with preparing the meal ordered by it;s customer in time and has started loosing it;s business. The owner is looking at the possibility
What are the advantages of multimedia presentations? Write any five. Multimedia presentation is a excellent tool for effective communication: Advantages: 1. Easy to make l
What is casting? There are two types of casting, casting among primitive numeric types and casting among object references. Casting among numeric types is used to convert large
creating a point of sale
List the keywords which are used in java 1.1? The list of keywords which are used in java 1.1 are given below: Keyword Purpose boole
Coarse Grained SOA : Services are also could be coarse grained. E.g: You may have a purchase element with individual functions to make a purchase order, add line items, and a
YES. JSP technology is extensible by the development of custom actions, or tags, which are encapsulated in tag libraries. #question..
What is numeric promotion? Numeric promotion is the conversion of a smaller numeric type to a larger numeric type, so that integer and floating-point operations may take place.
Enumerate the concept of write once run anywhere - JAVA Java has introduced concept of WORA (write once run anywhere). When you write a java program it is called source code of
What is JAR archives? JAR archives are ZIP archives along with a different extension. They contain a hierarchy of files and directories. In spirit a JAR file can take the place
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