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remove a key from a hashmap

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Ugliest Unicorn answered on May 25, 2022 Popularity 7/10 Helpfulness 1/10

answer remove a key from a hashmap

related remove key of map

related Java Remove HashMap Elements

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 7/10 Helpfulness 1/10 Language whatever

Source: Grepper

Tags: hashmap key whatever

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Contributed on May 04 2024

Ugliest Unicorn

0 Answers Avg Quality 2/10

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remove key of map

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const map1 = new Map();
map1.set('bar', 'foo');

console.log(map1.delete('bar'));
// expected result: true
// (true indicates successful removal)

console.log(map1.has('bar'));
// expected result: false

Popularity 9/10 Helpfulness 3/10 Language javascript

Source: developer.mozilla.org

Tags: javascript j

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Contributed on Nov 13 2022

unel

0 Answers Avg Quality 2/10

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 element

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Contributed on May 25 2022

SAMER SAEID

0 Answers Avg Quality 2/10

remove a key from a hashmap

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remove a key from a hashmap

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remove key of map

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