What are some examples of Java collections using interfaces?
An example of an AI chatbot conversation about Java collections and their interfaces.
What are some examples of Java collections using interfaces?
Java collections include interfaces like List, Set, and Map. For example, ArrayList implements List, while HashSet implements Set.
Can you explain the difference between List and Set?
Sure! A List allows duplicate elements and maintains insertion order, while a Set does not allow duplicates and does not guarantee order.
What about the Map interface?
The Map interface represents a collection of key-value pairs. It allows unique keys and can have duplicate values.
Can you give an example of how to use ArrayList?
Certainly! You can create an ArrayList like this: List<String> list = new ArrayList<>(); Then, you can add elements using list.add("example");.
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