Dictionary remove() Method in Java

// Java Program to illustrate
// java.util.Dictionary.remove() method

import java.util.*;

class GFG {
    public static void main(String[] args)
    {
        // Create a new hashtable
        Dictionary<Integer, String>
            d = new Hashtable<Integer, String>();

        // Insert elements in the hashtable
        d.put(1, "Geeks");
        d.put(2, "for");
        d.put(3, "Geeks");

        // Print the Dictionary
        System.out.println("\nDictionary: " + d);

        // Display the removed value
        System.out.println(d.remove(3)
                           + " has been removed");

        // Print the Dictionary
        System.out.println("\nDictionary: " + d);
    }
}

// Java Program to illustrate
// java.util.Dictionary.remove() method

import java.util.*;

class GFG {
    public static void main(String[] args)
    {
        // Create a new hashtable
        Dictionary<String, String> d = new Hashtable<String, String>();

        // Insert elements in the hashtable
        d.put("a", "GFG");
        d.put("b", "gfg");

        // Print the Dictionary
        System.out.println("\nDictionary: " + d);

        // Display the removed value
        System.out.println(d.remove("a")
                           + " has been removed");
        System.out.println(d.remove("b")
                           + " has been removed");

        // Print the Dictionary
        System.out.println("\nDictionary: " + d);

        // returns true
        if (d.isEmpty()) {
            System.out.println("Dictionary "
                               + "is empty");
        }
        else
            System.out.println("Dictionary "
                               + "is not empty");
    }
}