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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 the term- Strings A string is generally considered to be a sequence of characters stored in memory and accessible as a unit. Strings in java are signified as objects
Data integrity helps to make sure if something is communicate and not tampered with in the mean while when transmission take place. Checksums: Simply inserts the bytes withi
Writing a report
What does it mean that a method or class is abstract? An abstract class cannot be instantiated. Abstract methods may only be included in abstract classes. However, an abstract
What is the difference between inner class and nested class? When a class is explained within a scope od another class, then it becomes inner class. If the access modifier o
RMI- Remote Method Invocation.
class Writer extends Client { // additional members private boolean technical = false; private boolean government = false; private boolean international = false; pri
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
Instructions: Please make sure your solutions are original, in your own words, expressing your own ideas. Any copying from others' home-works, text books or online sources will
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