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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.
Notice that each row now has the type of customer and the additional data needed. calculateBill remains the same in Customer. However, the calculateBill in Corporate will add a
Your task is to design a scheduler for the Sheridan Rail Corporation which keeps track of all daily scheduled trips for the railway. Users can add new trips as well as perform sea
The default nature of an object's clone() function automatically provides a shallow copy. So to need a deep copy the classes have to be edited or adjusted. Shallow co
how many keywords in java
writing a program to find common friends with the use of array
• A Graph Data Type (including a display method to show adjacencies) • A Cycle Checker (as described in lecture notes) • An Edge class • A sorting algorithm to sort an array of Edg
How many JSP scripting elements and what are they? Ans) Three scripting language elements are there: a) declarations, b) scriptlets, c) expressions.
Problem Definition A new Met Office web application will allow users of their web site to view rainfall statistics for months and years in the UK. The application allows the m
EJB 2.0 has the additional advantages over the EJB 1.1 given below 1. Local interfaces : These are beans that can be needed locally, that means by the same Java Virtual Machi
Project Description: We need same kind of concept with some changes # Change single colors in a particular design. you need to be able to change the color of only the fox or
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