All the sources codes "Yet it works !"page 5

return obj != null ? true : false;

if((text2.getText()).equals("1234"))
{
server_1 =1;
Server_1 = "correct";
}
else
{
server_1 = 0;
Server_1 = "incorrect";
}


if((text3.getText()).equals("1234"))
{
server_2 =1;
Server_2 = "correct";
}
else
{
server_2 = 0;
Server_2 = "incorrect";
}

$query = "SELECT * FROM myTable where name!='' and name!=NULL and isnull(name) !=1";