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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.
Explain Data Updates issues in data management? DATA UPDATES: Old titles must be removed regularly Data changes every time Prices change Transportation / shipping cost change
Java Message Service: An interface executed by most J2EE containers to give point-to-point queueing and topic (publish/subscribe) behavior. JMS is frequently used by EJB's that req
Consider the following C++ template class. #include using namespace std; template class SortedList { public: SortedList() {size = 0;} void insert(T item); friend ostrea
What is a variable in Java program? It's a memory location. Memory location is given some name. Memory location is being assigned some value. Value may change o
To simplify complex class diagrams you may group classes into packages.
Write a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two points can b
RMI is a set of APIs that permits to build distributed applications. RMI uses interfaces to describe remote objects to turn local method invocations into remote method invocations.
what are all possible ways in java for user input and output
What does the keyword " synchronize " mean in java. What are the usage and disadvantages of synchronization?
Normal 0 false false false EN-US X-NONE X-NONE
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