CODE EXAMPLE FOR JAVA

Java Remove HashMap Elements

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);
  }
}