集合框架练习5

package zuochulai;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedHashSet;
import java.util.List;

public class TestSeven {

    public static void main(String[] args) {
    List<String>list=Arrays.asList("鲁班","大小姐","钟馗","大小姐","鲁班");
    LinkedHashSet<String> set=new LinkedHashSet(list);
        List <String>l=new ArrayList<String>(set);
System.out.println(l);
    }

}