devxlogo

Making a Collection Read-Only

Making a Collection Read-Only

The Collections class provides static APIs to generate a read-only or unmodifiable collection, list, set, or map from the specified entity. For instance, if you are sure that the ArrayList you’ve made should not be modified, you can generate a read-only list from it by using the following code:

   ArrayList list = new ArrayList();  list.add(

devx-admin

Share the Post: