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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.
Explain multi dimentional arrays in java? So far all these arrays have been one-dimensional. That is, a single number could locate any value in the array. Therefore sometimes d
What is the use of throws keyword ? Rather than explicitly catching an exception you can declare in which your method throws the exception. This passes the repsonsibility to h
1. final - it is a constant declaration. 2. finally - handles exception. The finally block is optional and gives a mechanism to clean up regardless of what occurs within
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Write a bouncing ball video game. The game is similar to the one described and depicted in Figure of the text book. The balls bounces within the screen where the two horizontal wal
In the lectures, we have written programs for bond pricing in discrete time. We have also talked about the theory for bond pricing and yields in continuous time. In this exercise,
What is JDBC exactly? Describe the steps required to execute a SQL query using JDBC.
Develop a Farm Production System Project Description: I want software that will allow me to input/record the each day production of our farm and allow me to view the data bac
Create objects of student class by calling default Create objects of student class by calling default, parameterize and copy constructor Call student class different methods on
#question)i) devising ii) validating and iii) testing of algorithms...
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