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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 Booleans in java? Booleans are named after George Boole, a nineteenth century logician. Every boolean variable has one of two values, true or false. These are not the s
how to code hosopital management system?
Loosely coupled SOA SOA gives in loosely coupled application elements, in which message is not necessarily tied to a particular database. Loose coupling actives enterprises to
Struts is a set of cooperating classes, servlets, and JSP tags that make up a reusable MVC 2 design. ? JavaBeans components for managing application state and behavior. ? Eve
Implement relationship using a java program. Assume each course has a course title, code, subject and number of credits while each student has a name, registration number, list of
i nedd servlet basics
Model-View-Controller (MVC) is a design pattern put together to help control change. MVC decouples interface from business logic and data. ? Model: The model having the core of
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Question Using 3 level of nested for loop, write a program that will produce the output as below.
Explain the char data type in java? A char is a single character in which a letter, a digit, a punctuation mark, a tab, a space or something same. A char literal is a single on
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