数据库链接

package 增删改查;
import java.sql.*;

public class Linkmysql 
{
    private static final String URL="jdbc:mysql://localhost:3306/test?&useSSL=false&serverTimezone=UTC";
    private static final String Name="root";
    private static final String Password="woshinidie668";
    private static Connection conn=null;
    static
    {
         try
          {
             Class.forName("com.mysql.cj.jdbc.Driver");
             System.out.println("加载驱动成功");
         }
           catch(ClassNotFoundException e)
          {
             e.printStackTrace();
             System.out.print("Error!");
          }
         try
         {
             conn=DriverManager.getConnection(URL,Name,Password);
         }
         catch(Exception e)
         {
             e.printStackTrace();
             System.out.println("数据库链接失败！");
         }
    }
    public static Connection connection( )
    {
        return conn;
    }
    public static void main(String[] args) throws SQLException 
    {
        // TODO 自动生成的方法存根
        Statement stmt=conn.createStatement( );
        ResultSet rs=stmt.executeQuery("select name,password from user");
        while(rs.next())
        {
            System.out.println(rs.getString("name")+" "+rs.getString("password"));
        }
    }

}