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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);
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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
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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);
}
}