Empty list using and Empty set using and Empty map using Array List object in Java

How to create empty list using Collections class

package com.java2novice.collections;

import java.util.Collections;

import java.util.List;

public class MyEmptyList

{

public static void main(String a[])

{

        List myEmptyList = Collections.emptyList();

        System.out.println("Empty list: "+myEmptyList);

    }

}

How to create empty set using Collections class

package com.java2novice.collections; 

import java.util.Collections;

import java.util.Set;

public class MyEmptySet

{

 public static void main(String a[])

{

        Set myEmptySet = Collections.emptySet();

        System.out.println("Empty set: "+myEmptySet);

    }

}

How to create empty map using Collections class

package com.java2novice.collections;

import java.util.Collections;

import java.util.Map;

public class MyEmptyMap

{

public static void main(String a[])

{

        Map myEmptyMap = Collections.emptyMap();

        System.out.println("Empty map: "+myEmptyMap);

    }

}

How to Enumeration for Array List object

package com.java2novice.collections;

import java.util.ArrayList;

import java.util.Collections;

import java.util.Enumeration;

import java.util.List;

public class MyListEnumeration

{

public static void main(String a[])

{

        List ls = new ArrayList();

        ls.add("one");

        ls.add("two");

        ls.add("three");

        ls.add("four");

        Enumeration enm = Collections.enumeration(ls);

        while(enm.hasMoreElements())

        {

            System.out.println(enm.nextElement());

        }

    }

}