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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.
#decoding
List the Parentheses used in Java language? As usual here's the output: % javac FahrToCelsius.java % java FahrToCelsius 0 -17.7778 20 -6.66667 40 4.44444 60 15.5556 80 26.6667
Need support Display TIFF in Internet Explorer without ActiveX plugin I would like to get a client side viewer designed that permits user to view TIFF files on IE 8 and IE 9 bro
public class TreeTest { public static void main(String args[]) { Tree t = new Tree (); System.out.println("Populating"); t.insertItem(1); t
Each time an object is started in Java it goes into the area of memory named as heap. The primitive variables like double and int are allocated in the stack, if they are local inst
Creating applications based on SOA Select your implementation technologies carefully. Carefully check if Web services are suitable. Sometimes using traditional methods suc
Describe, in general, how java garbage collector works?
What is difference between object state and behavior? Ans) If you change the state of an object, you ask it to perform a behavior. An object kept its states in a field e.g. vari
How to Scaling Images in java applet? You can scale an image within a particular rectangle using this version of the drawImage() method: public boolean drawImage(Image img,
Determine about the Wrapper Classes Every primitive data type has a corresponding object (wrapper class). These wrapper classes provides extra functionality (conversion, size c
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