hashmap

4 answers

Sort HaspMap on Values: Java

-3 points

I'm trying to sort a HashMap by values. I know that it might not be "good style", but it would save a lot of work, as I wouldn't have to rewrite lots of code if I could just get the HashMap sorted by value.

After lots of searching and trial and error cases I'm still stuck.

The HashMap itself is still unsorted.

 import java.util.* ;
public class H
{
    static HashMap first = new HashMap();
    static
    {
        first.put("20030120" , new Integer (56));
        first.put("20030118" , new Integer (19));
        first.put("20030125" , new Integer (25));

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Created by Anonymous 7 weeks 4 days ago
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Ruby Hash

Ruby hashes are equivalent to Java Hashmaps and allows us to store information as key-value pair in contrast to arrays in which we can have only integer keys or indices. Thus, Ruby hashes are generalization of arrays. Ruby Hash Example #!/usr/bin/ruby # File: rubyhash.rb   address = { "First name" => "Anthony", "Last name" => "Moody", "Street" => "101 LA Street", "City" => "CA", "Country" => "US" }   puts address['City'] Output of the above code would be CA. Ruby Hashes Iteration through Foreach  
1 answers

Java Arraylist

1 point

What is the difference between Arraylist and Hashmap? What to use when?

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Created by Anonymous 21 weeks 2 days ago
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2 answers

HashMap vs Hashtable

12 points

what is the difference between HashMap vs Hashtable Which is best to Use

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Created by Anonymous 21 weeks 2 days ago
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1 answers

Hashmap Java Example?

9 points

can someone provide me with some nice and quick example of hashmap in java?

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Created by Anonymous 21 weeks 2 days ago
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