java时间格式工具类-获取当前时间、年、月、日

public static int getYear() {
    GregorianCalendar calendar = new GregorianCalendar();
    calendar.setTime(getDate());
    return calendar.get(Calendar.YEAR);
}


public static int getMonth() {
    Calendar cal = Calendar.getInstance();
    int month = cal.get(Calendar.MONTH) + 1;
    return month;
}


public static int getDay() {
    Calendar cal = Calendar.getInstance();
    int day = cal.get(Calendar.DATE);
    return day;
}


public static Date getDate() {
    return new Date();
}