GetDateTime.java

package Work;

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

/**
 *
 * @author HuyHung
 */
public class DateTime {
    public static String getToday() {
        Calendar cal = new GregorianCalendar();
        String day = cal.get(cal.DAY_OF_MONTH) < 10 ? "0" + cal.get(cal.DAY_OF_MONTH) : "" + cal.get(cal.DAY_OF_MONTH);
        String month = cal.get(cal.MONTH) < 10 ? "0" + (1 + cal.get(cal.MONTH)) : "" + (1 + cal.get(cal.MONTH));
        String year = "" + cal.get(cal.YEAR);
        return day + "-" + month + "-" + year;
    }

    public static String getTime() {
        Calendar cal = Calendar.getInstance();
        String hour = cal.get(Calendar.HOUR_OF_DAY) < 10 ? "0" + cal.get(cal.HOUR_OF_DAY) : "" + cal.get(cal.HOUR_OF_DAY);
        String minute = cal.get(Calendar.MINUTE) < 10 ? "0" + cal.get(cal.MINUTE) : "" + cal.get(cal.MINUTE);
        String second = cal.get(Calendar.SECOND) < 10 ? "0" + cal.get(cal.SECOND) : "" + cal.get(cal.SECOND);
        return hour + ":" + minute + ":" + second;
    }

}

//=============================================================
//        Method set time in TestFrame
//============================================================
private void setTime() {
        lbToday.setText(DateTime.getToday());
        Timer dongho = new Timer(1000, new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                tfTimeCurrent.setText(DateTime.getTime());
                getUser();
            }
        });
        dongho.start();
    }