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chris_lab's picture

HashMap nad Methods

Submitted by chris_lab on Thu, 02/03/2011 - 19:46
Hi I have a file customer.txt and it contains details of the customer.

in my programme i have an abstract class caled Customer which is extended by two subclasses OnlineCustomer and IndoorCustomer.

What i need to do is read the content of the file and store it in a HashMap. i need to use a method as the value of the HashMap

something like
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Deepthi's picture

Java Convert Collection to ArrayList

Submitted by Deepthi on Sat, 11/13/2010 - 18:38
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This Java convert Collection to ArrayList example shows how to convert any collection to ArrayList.
  1. import java.util.ArrayList;
  2. import java.util.HashSet;
  3.  
  4. //Java Convert Collection to ArrayList
  5.  
  6. public class ConverCollectionToArrayList {
  7.    
  8.     public static void main(String args[]){
  9.        
  10.         //Create new HashSet
  11.         HashSet<String> hashSetColors = new HashSet&
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Andr's picture

Intermediate Java Tutorial - HashSet

Submitted by Andr on Sat, 08/21/2010 - 11:31
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Andr's picture

Intermediate Java Tutorial - Queue

Submitted by Andr on Sat, 08/21/2010 - 11:31
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Andr's picture

Intermediate Java Tutorial - Stacks Push Pop

Submitted by Andr on Sat, 08/21/2010 - 11:30
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Andr's picture

Intermediate Java Tutorial - Collections addAll

Submitted by Andr on Sat, 08/21/2010 - 11:29
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Andr's picture

Intermediate Java Tutorial - Collections Methods fill

Submitted by Andr on Sat, 08/21/2010 - 11:28
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Andr's picture

Intermediate Java Tutorial - Collections reverse and copy

Submitted by Andr on Sat, 08/21/2010 - 11:27
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Andr's picture

Intermediate Java Tutorial - Collections Method sort

Submitted by Andr on Sat, 08/21/2010 - 11:26
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Andr's picture

Intermediate Java Tutorial - Converting Lists to Arrays

Submitted by Andr on Sat, 08/21/2010 - 11:25
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