Java Collections.addAll(Collection <? super T> c, T... elements)
Syntax
Collections.addAll(Collection <? super T> c, T... elements) has the following syntax.
@SafeVarargs public static <T> boolean addAll(Collection <? super T> c, T... elements)
Example
In the following code shows how to use Collections.addAll(Collection <? super T> c, T... elements) method.
//ww w . j a v a 2 s . co m
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class Main {
public static void main(String args[]) {
List<String> arrlist = new ArrayList<String>();
arrlist.add("A");
arrlist.add("B");
arrlist.add("C");
arrlist.add("from java2s.com");
System.out.println(arrlist);
// add values to this collection
boolean b = Collections.addAll(arrlist, "1","2","3");
System.out.println(arrlist);
}
}
The code above generates the following result.
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