一共五个源代码文件,,分别实现哈希表遍历,,播放动画,,写文件,,带对话框的窗口和访问数据库!

/*
 * Sql.java
 *
 * Created on 2006年5月11日, 下午8:42
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package com.sql;
import java.sql.*;
import javax.sql.*;
import javax.naming.*;
/**
 *
 * @author netlab316
 */
public class Sql {
    
    /** Creates a new instance of Sql */
    public Sql() {
    }
    
    public static void main(String[] argv){
        String url="jdbc:microsoft:sqlserver://127.0.0.1:1433;DatabaseName=数据库名";
        String login="用户名";
        String password="密码";
        try{
            Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();
            DriverManager.setLoginTimeout(10);
            Connection conn =DriverManager.getConnection(url,login,password);
            if(conn!=null){
                System.out.println("Connection is OK!");
                Statement stmt=conn.createStatement();
                ResultSet rst=stmt.executeQuery("select * from 表");
                while(rst.next()) {
                    System.out.println(rst.getString("字段"));
                }
            } else
                System.out.println("Fail!");
        }catch(Exception ne){
            ne.printStackTrace();
        }
    }
}