package Test;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
public class Teeee ...{
List list = new LinkedList();
public static void main(String[] args) ...{
List list = new LinkedList();
for (int i = 0; i < 9; i++) ...{
list.add("a"+i);
}
Collections.sort(list);//顺序排列
System.out.println(list);
Collections.shuffle(list);//混乱的意思
System.out.println(list);
Collections.reverse(list);//倒序排列
System.out.println(list);
System.out.println(Collections.binarySearch(list, "a5"));//折半查找
}
}