hash table implementation java

Wrong Wombat answered on June 23, 2022 Popularity 10/10 Helpfulness 4/10

answer hash table implementation java

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hash table implementation java

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// Java program to demonstrate
// adding elements to Hashtable
  
import java.io.*;
import java.util.*;
  
class AddElementsToHashtable {
    public static void main(String args[])
    {
        // No need to mention the
        // Generic type twice
        Hashtable<Integer, String> ht1 = new Hashtable<>(4);
  
        // Initialization of a Hashtable
        // using Generics
        Hashtable<Integer, String> ht2
            = new Hashtable<Integer, String>(2);
  
        // Inserting the Elements
        // using put() method
        ht1.put(1, "one");
        ht1.put(2, "two");
        ht1.put(3, "three");
  
        ht2.put(4, "four");
        ht2.put(5, "five");
        ht2.put(6, "six");
  
        // Print mappings to the console
        System.out.println("Mappings of ht1 : " + ht1);
        System.out.println("Mappings of ht2 : " + ht2);
    }
}

Popularity 10/10 Helpfulness 4/10 Language java

Source: www.geeksforgeeks.org

Tags: hash implementation java

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Contributed on Jun 23 2022

Wrong Wombat

0 Answers Avg Quality 2/10

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java create hash table

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import java.util.Enumeration;
import java.util.Hashtable;
 
public class Main {
    public static void main(String[] args) {
        Hashtable<String, Integer> hashtable = new Hashtable<>();
 
        // Adding elements to the hashtable
        hashtable.put("A", 1);
        hashtable.put("B", 2);
        hashtable.put("C", 3);
 
        // Getting values from the hashtable
        int valueA = hashtable.get("A");
        System.out.println("Value of A: " + valueA);
 
        // Removing elements from the hashtable
        hashtable.remove("B");
 
        // Enumerating the elements of the hashtable
        Enumeration<String> keys = hashtable.keys();
        while (keys.hasMoreElements()) {
            String key = keys.nextElement();
            System.out.println("Key: " + key + ", Value: " + hashtable.get(key));
        }
    }
}

Popularity 8/10 Helpfulness 3/10 Language java

Source: www.geeksforgeeks.org

Tags: hash java

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Contributed on Apr 26 2023

Cautious Crossbill

0 Answers Avg Quality 2/10

hash table implementation java

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