get day - SimpleDateFormat Java

package dateANDtime;

import java.text.SimpleDateFormat;
import java.util.Date;

public class getDayFromDate
{
public static void main(String[] args)
{
Date now = new Date();

SimpleDateFormat sdf = new SimpleDateFormat("E");
String checkDay = sdf.format(now);

String x = checkDay.toString();
System.out.println(x);

if(checkDay.equals("Pt"))
{
System.out.println("piatek");
}
else if(checkDay.equals("Cz"))
{
System.out.println("czwartek");
}
else if(checkDay.equals("Śr"))
{
System.out.println("środa");
}
else if(checkDay.equals("Wt"))
{
System.out.println("wtorek");
}
else if(checkDay.equals("Pn"))
{
System.out.println("poniedzialek");
}
else
{
System.out.println("!!!!weekend!!!!");
}
}
}