Date Utilities

DateUtil.java

import java.text.SimpleDateFormat;
import java.time.Month;
import java.time.format.TextStyle;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;

class DateUtil {

    public static void main(String args[]) {
        
    }
    
    public static int getCurrentYear() {
        return Integer.parseInt(new SimpleDateFormat("yyyy").format(new Date()));
    }

    public static int getNextYear() {
        return getCurrentYear() + 1;
    }

    public static int getNextMonthYear(int month) {
        return month == 12 ? getCurrentYear() + 1 : getCurrentYear();
    }

    public static int getCurrentMonth() {
        return Integer.parseInt(new SimpleDateFormat("MM").format(new Date()));
    }

    public static int getNextMonth() {
        return getCurrentMonth() == 12 ? 1 : getCurrentMonth() + 1;
    }

    public static int getMonth(String monthName) {
        return Month.valueOf(monthName.toUpperCase()).getValue();
    }

    public static String getMonthLocaleName(int month) {
        return Month.of(month).getDisplayName(TextStyle.FULL, Locale.ENGLISH).toUpperCase();
    }

    public static String getMonthLocaleShortName(int month) {
        return Month.of(month).getDisplayName(TextStyle.SHORT, Locale.ENGLISH).toUpperCase();
    }

    public static String getTodayDate() {
        Date date = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("ddMMyyyy");
        return formatter.format(date);
    }

    public static String getTodayDate(String format) {
        Date date = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat(format);
        return formatter.format(date);
    }

    public static String getDateFromNow(int months, String format) {
        Calendar cal = Calendar.getInstance();
        cal.add(Calendar.MONTH, months);
        Date nextYear = cal.getTime();
        SimpleDateFormat formatter = new SimpleDateFormat(format);
        return formatter.format(nextYear);
    }

    public static String getTimeNow() {
        Date date = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("HH:mm:ss");
        return formatter.format(date);
    }
}