Java Collection How to - Set Operating on Lists: addAll, removeAll, retainAll, subList

Question

We would like to know how to set Operating on Lists: addAll, removeAll, retainAll, subList.

Answer

/*  w ww . ja v  a 2  s.c o  m*/
import java.util.ArrayList;
import java.util.List;

public class Main {
  public static void main(String[] argv) throws Exception {
    List list1 = new ArrayList();
    List list2 = new ArrayList();

    list1.addAll(list2);

    list1.removeAll(list2);

    list1.retainAll(list2);

    list1.clear();

    int newSize = 2;
    list1.subList(newSize, list1.size()).clear();
  }
}