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CODE EXAMPLE FOR JAVA

Java Change HashMap Value

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("Original HashMap: " + languages);

    // change element with key 2
    languages.replace(2, "C++");
    System.out.println("HashMap using replace(): " + languages);
  }
}
 
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Tagged: #Java #Change #HashMap #Value
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