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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.
It helps to resolve naming conflicts when different packages have classes with the same names. This also helps you prepare files within your project. As define : java.io package d
Errors: When a dynamic linking failure or some other "hard" failure in the virtual machine happens, the virtual machine gives an Error. Typical Java programs could not find Error
How do you set up a nested class?
A final class will not be extended i.e. A final method cannot be overridden when its class is added. You can't modify value of a final variable.
Write HTML and JavaScript code for the needs shown in the diagram below? When ConvertoUpperCase button is pressed then the entered text is converted to upper case and result is
Exercise 1) Lets start by query example in SPARQL: QUERY: What are the school's names that belong to the "local authority district" 00AA? NOTE 1: "Authority districts" divide UK i
Maintenance and Administration activities: Name : e-Commerce OS and Soft wares : Websphere 6.0, IHS, Unix, Weblogic 8.1 Maintenance an
1. Create a text file (you can name it sales.txt) that contains in each line the daily sales of a company for a whole month. Then write a Java application that: a. asks the user fo
What does WAN stand for? Wide Area Network - A network in that computers are separated through great distances classically across cities or even continents.
What are the role of Keywords in java? Keywords are identifiers such as public, static and class in which have a special meaning inside Java source code and outside of comments
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