//Formatting day of week in E format like Sun, Mon etc.
import java.text.SimpleDateFormat;
import java.util.Date;
public class Main {
public static void main(String[] args) {
Date date = new Date();
String strDateFormat = "E";
SimpleDateFormat sdf = new SimpleDateFormat(strDateFormat);
System.out.println("Current day of week in E format : " + sdf.format(date));
}
}