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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 can you do with an exception once you've caught it? 1. Fix the difficulty and try again. 2. Do anything else instead. 3. Exit the application along with System.exit() 4
Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Nec
We want an E Commerce site Project Description: We want an E Commerce site like fifacointrader.. You must have experience with that kind of work We will award the proje
What is Inheritance in java Explain with example? Code reusability is claimed to be a key advantage of object-oriented languages over non-object-oriented languages. Inheritance
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
write complete application to play game tictactoe
Describe Member Variables vs. Local Variables ? class Car { String licensePlate = ""; // member variable double speed; = 0.0; // member variable double maxSp
Illustrate an example of static variables System. out .println("some text"); -- out is a static variable JOptionPane. showMessageDialog (null, "some text"); -- showMessageDi
The different types of actions in Struts are: ? DispatchAction ? LookupDispatchAction ? ForwardAction ? SwitchAction ? IncludeAction
The benefits of Spring are as follows: ? Spring has layered architecture. Use what you require and leave you don't require now. ? Spring Enables POJO Programming. There is no
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