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How do you decide when to use HashMap and when to use TreeMap?
When we want to perform deletion, insertion and locate elements in a Map then HashMap is used.
Whereas TreeMap is used when we want to traverse elements in a sorted order. Depending upon size of collection, adding elements to HashMap is easy. But for sorted elements traversal we can convert HashMap into TreeMap.
Describe the Four Levels of Access Protection ? Any two various Java objects have one of four relations to each other. The four relations are: • The objects are in the simila
A joinpoint is a point in the implementation of the application where an aspect can be plugged in. This point could be a method being called, an exception being thrown, or even a f
An object that having the data being transferred among JMS clients.
A Scrollbar is a Component while Scroll Panel is a Container. A Scroll Panel handles its own events and performs its own scrolling.
How does an exception permeate through the code? An unhandled exception moves up the method stack in search of a matching When an exception is thrown from a code which is wrapp
Benefits of Spring framework : Spring can effectively organize your middle tier objects as given in the diagram above, whether or not you select to use EJB. Applications create
What is Scope of Variable ? Space in that a variable is effective is called as the scope of a variable. In other words we can say area where that variable is available for the
Prompt the user for an int between an upper and lower boundary. Reuse the validateInput() method from project 2 to validate if the input is in bounds. If it is not, print an error
I'm seeking to hire someone to build me a program that can solve a php captcha. It should be a web service or script. You will write it in any language since i will execute i ca
Im receiving an error message of Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 5 at Homework.main(Homework.java:51)
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