java代码066

code066.java

1package pack02;
2
3import java.util.Vector;
4
5//UserInfoList��
6public class code066
7{
8	private static code066 user = new code066(); //����private���ù��캯������ֹ���������µ�ʵ������
9	private Vector<String> vector = null;
10	
11	public code066()
12	{
13		this.vector = new Vector<String>();
14	}
15	
16	public static code066 getInstance()
17	{
18		return code066.user;
19	}
20	
21	//����û�
22	public boolean addUserInfo(String userName)
23	{
24		if (userName != null)
25		{
26			this.vector.add(userName);
27			return true;
28		}
29		else 
30		{
31			return false;
32		}
33	}
34	
35	//�����û��б�
36	public Vector<String> getList()
37	{
38		return this.vector;
39	}
40	
41	//�Ƴ��û�
42	public void removeUserInfo(String userName)
43	{
44		if (userName != null)
45		{
46			this.vector.removeElement(userName);
47		}
48	}
49}
50