RE:Como tiro una consulta SQL
Connection con = null;
String url = "jdbc:mysql://localhost/Mibasededatos";
Statement stmt = null;
ResultSet rs = null;
String consulta = "SELECT * FROM miTabla";
try{
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection(url,"usuariot","contraseña");
stmt = con.createEstatement();
rs = stmt.executeQuery(consulta);
.
.
.
con.close();
}catch(SQLException ex){
System.out.println(ex.getErrorCode() +" "+ ex);
}catch(ClassNotFoundException ex){
System.out.println(ex);
}
Espero que te sirva