Java ArrayList.addAll(Collection <? extends E > c)
Syntax
ArrayList.addAll(Collection <? extends E > c) has the following syntax.
public boolean addAll(Collection <? extends E> c)
Example
In the following code shows how to use ArrayList.addAll(Collection <? extends E > c) method.
/* w w w . j ava2 s.c om*/
import java.util.ArrayList;
public class Main {
public static void main(String args[]) {
ArrayList<Integer> arrlist = new ArrayList<Integer> (5);
arrlist.add(1);
arrlist.add(2);
arrlist.add(4);
System.out.println(arrlist);
ArrayList<Integer> arrlist2 = new ArrayList<Integer> (5);
arrlist2.add(2);
arrlist2.add(3);
arrlist2.add(3);
arrlist2.add(3);
System.out.println(arrlist2);
// inserting all elements
arrlist.addAll(arrlist2);
System.out.println(arrlist);
}
}
The code above generates the following result.
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