package study;
import java.util.Collections;
import java.util.List;
import java.util.ArrayList;
public class better {
public static void main(String[] args){
List list=new ArrayList();
list.add(“who”);
list.add(“is”);
list.add(“danie”);
System.out.println(list);
List a=new ArrayList();
a.add("");
a.add("");
a.add("");
Collections.copy(a, list);
System.out.println(a);
Collections.fill(a, “pig”);
System.out.println(a);
Collections.reverse(list);
System.out.println(list);
Collections.shuffle(list);
System.out.println(list);
Collections.sort(list);
System.out.println(list);
Collections.swap(list, 0, 1);
System.out.println(list);
}
}