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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.
What is Color in AWT? Color is a class in the AWT. Individual colors such as red or mauve are examples of this class, java.awt.Color. Be sure to import it if you want to use ot
We can get the values in the action classes by using data.getParameter("variable name described in the velocity page");
I need Customize Tumblr theme Project Description: I have a blog here I would like to customize it as follows; 1) Modify the horizontal navigation from the bottom of th
The significant methods of ActionForm are: validate () & reset ().
i don''t need any code i need analysis and design only -i need 4 use cases - description - activity diagram -sequence diagram -class diagram - data base diagram
What is output of the following JavaScript code? Str="Virtual University of Pakistan"; document.write(str.substring(5,str.length)) ;
How does a try statement determine which catch clause should be used to handle the exception?
Describe Member Variables vs. Local Variables ? class Car { String licensePlate = ""; // member variable double speed; = 0.0; // member variable double maxSp
Create a class HourlyWorker mind: particularHourlyWorker employee. • Declare two data members named wage and hours of double type with private access. • Implement a parameterized c
The typical use of the roster class is to display a tree view of groups and entries along with the current presence value of each entry. As an example, see the image showing a Rost
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