Conexion
package Conex;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
public class Conexion {
Connection con;
public void Conexion(){
try {
Class.forName("com.mysql.jdbc.Driver");
con= DriverManager.getConnection("jdbc:mysql://localhost:3306/registros","root","");
} catch (Exception e) {
System.err.println("Error: " + e);
}
}
public static void main(String [] args) {
Conexion cn=new Conexion();
Statement st;
ResultSet rs;
try {
st=cn.con.createStatement();
rs=st.executeQuery("select * from registros");
while (rs.next()) {
System.out.println(rs.getInt("usuario")+"" +rs.getInt("clave"));
}
cn.con.close();
} catch (Exception e) {
}
}
