Convert Enumeration to a Set/List in java

Convert Enumeration to a Set/List in java

To convert an Enumeration to a Set or a List in Java, you can iterate through the Enumeration and add its elements to a Set or List data structure. Here are examples of how to do this:

Convert Enumeration to a Set:

import java.util.*; public class EnumerationToSetExample { public static void main(String[] args) { Enumeration<String> enumeration = getEnumeration(); // Replace with your Enumeration source // Convert Enumeration to Set Set<String> set = new HashSet<>(); while (enumeration.hasMoreElements()) { set.add(enumeration.nextElement()); } System.out.println("Set: " + set); } // Example method to obtain an Enumeration (replace with your data source) private static Enumeration<String> getEnumeration() { Vector<String> vector = new Vector<>(); vector.add("Item 1"); vector.add("Item 2"); vector.add("Item 3"); return vector.elements(); } }

In this example, we first obtain an Enumeration from a data source (you should replace getEnumeration() with your actual data source). Then, we iterate through the Enumeration, adding each element to a Set.

Convert Enumeration to a List:

import java.util.*; public class EnumerationToListExample { public static void main(String[] args) { Enumeration<String> enumeration = getEnumeration(); // Replace with your Enumeration source // Convert Enumeration to List List<String> list = new ArrayList<>(); while (enumeration.hasMoreElements()) { list.add(enumeration.nextElement()); } System.out.println("List: " + list); } // Example method to obtain an Enumeration (replace with your data source) private static Enumeration<String> getEnumeration() { Vector<String> vector = new Vector<>(); vector.add("Item 1"); vector.add("Item 2"); vector.add("Item 3"); return vector.elements(); } }

In this example, we perform a similar process as with the Set conversion, but we add elements to a List instead.

Remember to replace getEnumeration() with your actual data source that provides the Enumeration you want to convert.

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