Java链接MySQL数据库 操作

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Set;

//import java.util.*;

public class maino {

public static void main(String[] args) {
String driver ="com.mysql.jdbc.Driver";

String url ="jdbc:mysql://localhost:3306/fei";//要操作的数据库名称

String user ="root";//数据库用户名

String password ="";//密码

try {
Class.forName(driver);

Connection conn = DriverManager.getConnection(url, user, password);

if(!conn.isClosed())
System.out.println("Succeeded connecting to the Database!");
Statement statement = conn.createStatement();
String sql ="select * from info";//要执行的sql语句
String sql1 = "INSERT INTO info VALUES ('Bziill', '93rd', '17')";//要执行的sql语句
statement.executeUpdate(sql1);
ResultSet rs = statement.executeQuery(sql);//用rs获得执行sql语句后得到的结果

System.out.println("----------------");
System.out.println("Result is :");
String name=null;
while (rs.next()) {
System.out.println(rs.getString("Name")+": "+rs.getString("Age"));
}

} catch(ClassNotFoundException e) {
System.out.println("Sorry,cant find the Driver!");
e.printStackTrace();
} catch(SQLException e) {
e.printStackTrace();
} catch(Exception e) {
e.printStackTrace();
}

}
}