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Found 9316 Articles for Object Oriented Programming
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Create a Calendar object.Calendar cal = Calendar.getInstance();For using above Calendar class, do not forget to import the following package.import java.util.Calendar;Now, use the getTimeInMillis() method to get the time in milliseconds.cal.getTimeInMillis()The following is the final example.Example Live Demoimport java.util.Calendar; public class Demo { public static void main(String[] args) { Calendar cal = Calendar.getInstance(); System.out.println("Milliseconds =" + cal.getTimeInMillis()); } }OutputMilliseconds =1542636999896
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Import the following package to work with Calendar class in Java, import java.util.Calendar;To display the entire day time, firstly create a Calendar object.Calendar cal = Calendar.getInstance();Display the entire date time using the fields shown below −// DATE Calendar.YEAR Calendar.MONTH Calendar.DATE // TIME Calendar.HOUR_OF_DAY Calendar.HOUR Calendar.MINUTE Calendar.SECOND Calendar.MILLISECONDThe following is the complete example.Example Live Demoimport java.util.Calendar; public class Demo { public static void main(String[] args) { Calendar cal = Calendar.getInstance(); // current date and time System.out.println(cal.getTime().toString()); // date information System.out.println("Date Information.........."); System.out.println("Year = ... Read More
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The getActualMaximum() method returns the maximum value that the specified calendar field could have, based on the time value of this Calendar.Import the following package to work with Calendar class in Java, import java.util.Calendar;Create a calendar object.Calendar cal = Calendar.getInstance();Use the getActualMaximum() method to get the last day of the month.int res = cal.getActualMaximum(Calendar.DATE);The following is an example.Example Live Demoimport java.util.Calendar; public class Main { public static void main(String[] args) { Calendar cal = Calendar.getInstance(); int res = cal.getActualMaximum(Calendar.DATE); System.out.println("Today's Date = " + cal.getTime()); System.out.println("Last Date of ... Read More
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Import the following package for to work with Calendar class in Java, import java.util.Calendar;Create a calendar class now.Calendar cal = Calendar.getInstance();To display entire time information, use the following fields.cal.get(Calendar.HOUR_OF_DAY) cal.get(Calendar.HOUR) cal.get(Calendar.MINUTE) cal.get(Calendar.SECOND) cal.get(Calendar.MILLISECOND)The following is the final example.Example Live Demoimport java.util.Calendar; public class Demo { public static void main(String[] args) { Calendar cal = Calendar.getInstance(); // current date and time System.out.println(cal.getTime().toString()); // time information System.out.println("Hour (24 hour format) : " + cal.get(Calendar.HOUR_OF_DAY)); System.out.println("Hour (12 hour format) : " + cal.get(Calendar.HOUR)); ... Read More
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For using Calendar class, import the following package.import java.util.Calendar;Using the Calendar class, create an object.Calendar calendar = Calendar.getInstance();Now, create a string array of the month names.String[] month = new String[] {"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" };Display the month name.month[calendar.get(Calendar.MONTH)]The following is an example.Example Live Demoimport java.util.Calendar; public class Demo { public static void main(String[] args) { Calendar calendar = Calendar.getInstance(); String[] month = new String[] {"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" }; System.out.println("Current Month = " + month[calendar.get(Calendar.MONTH)]); ... Read More
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For using Calendar class, import the following package.import java.util.Calendar;Using the Calendar class, create an object.Calendar calendar = Calendar.getInstance();Now, create a string array of the day names.String[] days = new String[] { "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" };Display the day name.days[calendar.get(Calendar.DAY_OF_WEEK) - 1]The following is the final example.Example Live Demoimport java.util.Calendar; public class Demo { public static void main(String[] args) { Calendar calendar = Calendar.getInstance(); System.out.println("Day: " + (calendar.get(Calendar.DATE))); System.out.println("Month: " + (calendar.get(Calendar.MONTH) + 1)); System.out.println("Year: " + (calendar.get(Calendar.YEAR))); String[] days = new String[] ... Read More
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To get the day of the week, use Calendar.DAY_OF_WEEK.Firstly, declare a calendar object and get the current date and time.Calendar calendar = Calendar.getInstance(); System.out.println(calendar.getTime().toString());Now, fetch the day of the week in an integer variable.int day = calendar.get(Calendar.DAY_OF_WEEK);The following is the final example.Example Live Demoimport java.util.Calendar; public class Demo { public static void main(String[] args) { Calendar calendar = Calendar.getInstance(); System.out.println(calendar.getTime().toString()); int day = calendar.get(Calendar.DAY_OF_WEEK); System.out.println("Day: " + day); int hour = calendar.get(Calendar.HOUR_OF_DAY); System.out.println("Hour: " + hour); int minute = ... Read More
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To display the current time in another time zone, use the TimeZone class. To use it, import the following package.import java.util.TimeZone;Firstly, set the TimeZone.cal.setTimeZone(TimeZone.getTimeZone("Europe/Sofia"));Now, display the date using the Calendar object.cal.get(Calendar.HOUR_OF_DAY) cal.get(Calendar.MINUTE) cal.get(Calendar.SECOND) cal.get(Calendar.MILLISECOND)The following is the final example.Example Live Demoimport java.util.Calendar; import java.util.TimeZone; public class Demo { public static void main(String[] args) { Calendar cal = Calendar.getInstance(); System.out.println("Europe/Sofia TimeZone..."); cal.setTimeZone(TimeZone.getTimeZone("Europe/Sofia")); System.out.println("Hour = " + cal.get(Calendar.HOUR_OF_DAY)); System.out.println("Minute = " + cal.get(Calendar.MINUTE)); System.out.println("Second = " + cal.get(Calendar.SECOND)); System.out.println("Millisecond = " ... Read More
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For using Calendar class, import the following package.import java.util.Calendar;Now, let us create an object of Calendar class.Calendar calendar = Calendar.getInstance();Set the date, month and year.calendar.set(Calendar.YEAR, 2018); calendar.set(Calendar.MONTH, 11); calendar.set(Calendar.DATE, 18);Create a Date object using Calendar class.java.util.Date dt = calendar.getTime();The following is an example.Example Live Demoimport java.util.Calendar; public class Demo { public static void main(String[] args) { Calendar calendar = Calendar.getInstance(); // Set year, month and date calendar.set(Calendar.YEAR, 2018); calendar.set(Calendar.MONTH, 11); calendar.set(Calendar.DATE, 18); // util date object java.util.Date dt = ... Read More
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To get the day of the week, use the Calendar.DAY_OF_WEEK.Firstly, let us get the current date.java.util.Date utilDate = new java.util.Date(); java.sql.Date dt = new java.sql.Date(utilDate.getTime());Now, using GregorianCalendar, set the time.java.util.GregorianCalendar cal = new java.util.GregorianCalendar(); cal.setTime(dt);The last step would display the day of the week as shown in the following example.Example Live Demoimport java.text.ParseException; public class Demo { public static void main(String[] args) throws ParseException { java.util.Date utilDate = new java.util.Date(); java.sql.Date dt = new java.sql.Date(utilDate.getTime()); System.out.println("Today's date: "+dt); java.util.GregorianCalendar cal = new java.util.GregorianCalendar(); cal.setTime(dt); ... Read More