in collection of Java. See the below example...
package programs;
import java.util.ArrayList;
import java.util.Iterator;
public class CollectionTestAddAll {
public static void main(String[] args) {
ArrayList<String> alist1= new ArrayList<String>();
alist1.add("Atul");
alist1.add("Diksha");
alist1.add("Anand");
alist1.add("Sunandan");
ArrayList<String> alist2 = new ArrayList<String>();
alist2.add("Kumud");
alist2.add("A.K Yadav");
alist1.addAll(alist2);
Iterator itr = alist1.iterator();
while (itr.hasNext()) {
System.out.println(itr.next());
}
}
}
