Java Collection Tutorial - Java Dictionary.remove(Object key)

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Syntax

Dictionary.remove(Object key) has the following syntax.

public abstract V remove(Object key)

Example

In the following code shows how to use Dictionary.remove(Object key) method.

import java.util.*;
/*  ww  w .j  a  v a2s  . co  m*/
public class Main {

   public static void main(String[] args) {

      
      Dictionary d = new Hashtable();
    
      // add some elements
      d.put("1", "from java2s.com");
      d.put("2", "Cocoa");
      d.put("5", "from java2s.com");

      // remove one element
      System.out.println(d.get("5"));
      System.out.println(d.remove("5") + " has been removed");
      System.out.println(d.get("5"));
   }
}

The code above generates the following result.

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