Trabalhando com datas

int dia_semana = new GregorianCalendar().get(Calendar.DAY_OF_WEEK);

import java.util.Calendar;
import java.util.GregorianCalendar;

/**
 * @author aborges
 * 
 */

public class Teste{
	

private int getDia(){
	int dia_semana = new GregorianCalendar().get(Calendar.DAY_OF_WEEK);
	return dia_semana;
}


public static void main(String args[]){
	System.out.println(new Teste().getDia());
}

}