Java ArrayList.addAll(int index, Collection <? extends E > c)
Syntax
ArrayList.addAll(int index, Collection <? extends E > c) has the following syntax.
public boolean addAll(int index, Collection <? extends E> c)
Example
In the following code shows how to use ArrayList.addAll(int index, Collection <? extends E > c) method.
//from w w w .j a v a2s . c o m
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(25);
arrlist2.add(30);
arrlist2.add(31);
arrlist2.add(35);
System.out.println(arrlist2);
// inserting all elements of list2 at third position
arrlist.addAll(2, arrlist2);
System.out.println(arrlist);
}
}
The code above generates the following result.
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