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hashmap vs concurrenthashmap

Colorful Chinchilla answered on June 17, 2024 Popularity 7/10 Helpfulness 1/10

answer hashmap vs concurrenthashmap

hashmap vs concurrenthashmap

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// Java program to illustrate 
// HashMap drawbacks 
import java.util.HashMap; 
  
class HashMapDemo extends Thread 
{ 
    static HashMap<Integer,String> l=new HashMap<Integer,String>(); 
  
    public void run() 
    { 
          
      
        try
        { 
            Thread.sleep(1000); 
            // Child thread trying to add 
            // new element in the object 
            l.put(103,"D"); 
        } 
        catch(InterruptedException e) 
        { 
            System.out.println("Child Thread going to add element"); 
        } 
    } 
  
    public static void main(String[] args) throws InterruptedException 
    { 
        l.put(100,"A"); 
        l.put(101,"B"); 
        l.put(102,"C"); 
        HashMapDemo t=new HashMapDemo(); 
        t.start(); 
          
        for (Object o : l.entrySet())  
        { 
            Object s=o; 
            System.out.println(s); 
            Thread.sleep(1000); 
        } 
        System.out.println(l); 
    } 
}

Popularity 7/10 Helpfulness 1/10 Language java

Source: www.geeksforgeeks.org

Tags: concurrenthashmap hashmap java

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