import java.sql.*;

public class demo{<br>
        static Connection con=null;<br>
        static Statement st=null;<br>
        static {<br>
        try{<br>
            Class.forName("com.mysql.jdbc.Driver").newInstance();<br>
            con=DriverManager.getConnection("jdbc:mysql://localhost:/test1","root",""); <br>
            st=con.createStatement();  <br>
        }<br>
        catch(Exception e){<br>
            System.out.println("nnException : "+e);<br>
        }<br>
    }<br>
    public static void main(String []args){<br>
        try{<br>
            ResultSet rs=st.executeQuery("select * from login");<br>
            rs.next();<br>
            System.out.println("nnnm = "+rs.getString("username"));<br>
        }<br>
        catch(Exception e){<br>
            System.out.println("nnException : "+e);<br>
        }   <br>
    }<br>
}<br>

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