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Java Remove HashMap Elements

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SAMER SAEID answered on May 10, 2022 Popularity 10/10 Helpfulness 2/10

answer Java Remove HashMap Elements

related Java Hasmap Remove Elements

related remove a key from a hashmap

Java Remove HashMap Elements

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import java.util.HashMap;

class Main {
  public static void main(String[] args) {

    HashMap<Integer, String> languages = new HashMap<>();
    languages.put(1, "Java");
    languages.put(2, "Python");
    languages.put(3, "JavaScript");
    System.out.println("HashMap: " + languages);

    // remove element associated with key 2
    String value = languages.remove(2);
    System.out.println("Removed value: " + value);

    System.out.println("Updated HashMap: " + languages);
  }
}

Popularity 10/10 Helpfulness 2/10 Language java

Source: Grepper

Tags: elements hashmap java

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Contributed on May 25 2022

SAMER SAEID

0 Answers Avg Quality 2/10

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Java Hasmap Remove Elements

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import java.util.*;  
public class hashmapeg3{  
 public static void main(String args[]){  
   HashMap<Integer,String> map=new HashMap<Integer,String>();//Creating HashMap    
   map.put(1,"Cat");  //Put elements in Map  
   map.put(2,"Dog");    
   map.put(3,"Markhor");   
   map.put(4,"Peacock");   
       
   System.out.println("HashMap after put(): ");  
   for(Map.Entry m : map.entrySet()){    
    System.out.println(m.getKey()+" "+m.getValue());    
   }  
// remove element associated with key 2
    String value = map.remove(2);
    System.out.println("Removed value: " + value);

    System.out.println("Updated HashMap: ");
       for(Map.Entry m : map.entrySet()){    
    System.out.println(m.getKey()+" "+m.getValue());    
   }  
}  
}

Popularity 10/10 Helpfulness 2/10 Language java

Source: softhunt.net

Tags: elements element

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Contributed on May 10 2022

Outrageous Ostrich

0 Answers Avg Quality 2/10

remove a key from a hashmap

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    hashMap.put(20, "You");
 
    // Displaying the ITEM
    System.out.println("Initial item : " + hashMap.get(20)); 
 
    // Removing the existing key mapping
    String returned_value = (String)hashMap.remove(20);

Popularity 8/10 Helpfulness 1/10 Language whatever

Source: Grepper

Tags: hashmap key whatever what

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Contributed on May 04 2024

Ugliest Unicorn

0 Answers Avg Quality 2/10

Java Remove HashMap Elements

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Java Remove HashMap Elements

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Java Hasmap Remove Elements

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