| Return | Method | Summary |
|---|---|---|
| boolean | add(E e) | Ensures that this collection contains the specified element (optional operation). |
| boolean | addAll(Collection<? extends E> c) | Adds all of the elements in the specified collection to this collection (optional operation). |
import java.util.ArrayList;
import java.util.Collection;
public class Main {
public static void main(String args[]) {
Collection collection = new ArrayList();
collection.add("java2s.com");
System.out.println(collection);
}
}
The output:
[java2s.com]
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