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Explain the both HashSet and TreeSet?
HashSet is an unordered, unsorted Set.
It's a Collection set which restrict duplicate elements and also repositioning of elements.
It implements Set interface and extends AbstractSet.
Uses hash code of object being inserted.
TreeSet is a Set implemented when we want elements in a sorted order.
Sorting of element is done according to natural order of elements or by help of comparator provided at creation time.
You may call function from any other place into your JavaScript code. After the function is executed, the control goes back to other script which called it. alert('Example 1: t
Dynamic JAVA Class and type information is kept around at runtime. This allows runtime loading and inspection of code in a very flexible way.
do you have example of a simple midlet game ?
The roster lets you keep track of the availability ("presence") of other users. A roster also allows you to organize users into groups such as "Friends" and "Co-workers". Other IM
The method should printout line numbers from 1 to howmany in the previous format -ONLY WHEN is divisble by 3 but is should not oupt more then 3 numbers on the line. input 1 outpu
Object Relational Mapping , its a tool for transaction management that requires to be integrated with Spring, Struts etc.Eg : Hibernate, i Batis,JDO etc
What does the keyword " synchronize " mean in java. What are the usage and disadvantages of synchronization?
Remote Method Invocation (RMI) is the process of activating a method on a remotely running object. RMI offers location transparency in the sense that it gives the feel that a metho
Write a ComputerPart class and a ComputerKit class and a client class to test them. The ComputerPart class has two variables: a String representing an item, and a double representi
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