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To display nanoseconds, use the ‘N’ Date and Time conversion specifier.System.out.printf("Nanoseconds = %tN", d);Example Live Demoimport java.util.Date; public class Demo { public static void main(String[] args) { Date d = new Date(); System.out.printf("Nanoseconds = %tN", d); } }OutputNanoseconds = 092000000
To display seconds since the epoch, use the ‘s’ Date and Time conversion specifier.System.out.printf("Seconds since epoch = %ts", d);The above would display seconds since.1970-01-01 00:00:00 GMTExample Live Demoimport java.util.Date; public class Demo { public static void main(String[] args) { Date d = new Date(); System.out.printf("Nanoseconds = %tN", d); System.out.printf("Seconds since epoch = %ts", d); } }OutputNanoseconds = 364000000 Seconds since epoch = 1543241402
To display milliseconds since the epoch, use the ‘Q’ Date and Time conversion specifier.System.out.printf("Milliseconds since epoch = %TQ", d);The above would display milliseconds since.1970-01-01 00:00:00 GMTExample Live Demoimport java.util.Date; public class Demo { public static void main(String[] args) { Date d = new Date(); System.out.printf("Nanoseconds = %tN", d); System.out.printf("Seconds since epoch = %ts", d); System.out.printf("Milliseconds since epoch = %TQ", d); } }OutputNanoseconds = 050000000 Seconds since epoch = 1543241478 Milliseconds since epoch = 1543241478050
Locale-specific morning/afternoon indicator is the AM/PM marker indicator.Use the ‘p’ conversion character to display AM/PM.System.out.printf("Morning/afternoon indicator: %tp",d);Example Live Demoimport java.util.Date; public class Demo { public static void main(String[] args) { Date d = new Date(); System.out.printf("Morning/afternoon indicator: %tp",d); System.out.printf("Morning/afternoon indicator: %Tp",d); } }OutputMorning/afternoon indicator: pm Morning/afternoon indicator: PM
To display localized method name in Java, use the ‘B’ conversion character.System.out.printf("Localized month : %TB", d);To display method name in lowercase, use the “%tb”System.out.printf("Localized month : %tB", d);Example Live Demoimport java.util.Date; public class Demo { public static void main(String[] args) { Date d = new Date(); System.out.printf("Morning/afternoon indicator: %tp", d); System.out.printf("Morning/afternoon indicator: %Tp", d); System.out.printf("Localized month : %tB", d); System.out.printf("Localized month : %TB", d); } }OutputMorning/afternoon indicator: pm Morning/afternoon indicator: PM Localized month : November Localized month : NOVEMBERRight justify and left justify values ... Read More
Use the ‘F’ date conversion character to display ISO 8601 standard date.System.out.printf("ISO 8601 standard date = %tF", d);Above, d is a date object.Date d = new Date();Example Live Demoimport java.util.Date; import java.text.DateFormat; import java.text.SimpleDateFormat; public class Demo { public static void main(String[] args) throws Exception { Date d = new Date(); System.out.printf("Four-digit Year = %TY",d); System.out.printf("Two-digit Year = %ty",d); System.out.printf("ISO 8601 standard date = %tF", d); } }OutputFour-digit Year = 2018 Two-digit Year = 18 ISO 8601 standard date = 2018-11-26
Use the ‘c’ date conversion character to display UNIX date format in Java.System.out.printf("Unix date format: %tc",d);Above, d is a date object.Date d = new Date();Example Live Demoimport java.util.Date; import java.text.DateFormat; import java.text.SimpleDateFormat; public class Demo { public static void main(String[] args) throws Exception { Date d = new Date(); System.out.printf("Unix date format: %tc",d); System.out.printf("Unix date format: %Tc",d); } }OutputUnix date format: Mon Nov 26 12:24:10 UTC 2018 Unix date format: MON NOV 26 12:24:10 UTC 2018
Intergral conversion characters include the following.CharacterDescription%dInteger%oOctal%xHexadecimal%XHexadecimalExample Live Demopublic class Demo { public static void main(String[] args) throws Exception { System.out.printf( "Integer: %d", 889 ); System.out.printf( "Negative Integer: %d", -78 ); System.out.printf( "Octal: %o", 677 ); System.out.printf( "Hexadecimal: %x", 56 ); System.out.printf( "Hexadecimal: %X", 99 ); } }OutputInteger: 889 Negative Integer: -78 Octal: 1245 Hexadecimal: 38 Hexadecimal: 63
Floating-point conversion characters include the following.CharacterDescription%edecimal number in computerized scientific notation%Edecimal number in computerized scientific notation%fdecimal number%gbased on computerized scientific notation or decimal format, %Gbased on computerized scientific notation or decimal format, Example Live Demopublic class Demo { public static void main(String[] args) throws Exception { System.out.printf("Integer conversions..."); System.out.printf( "Integer: %d", 889 ); System.out.printf( "Negative Integer: %d", -78 ); System.out.printf( "Octal: %o", 677 ); System.out.printf( "Hexadecimal: %x", 56 ); System.out.printf( "Hexadecimal: %X", 99 ); System.out.printf("Floating-point conversions..."); ... Read More
The following are the conversion characters for date-time −CharacterDescriptioncComplete date and timeFISO 8601 dateDU.S. formatted date (month/day/year)T24-hour timer12-hour timeR24-hour time, no secondsYFour-digit year (with leading zeroes)yLast two digits of the year (with leading zeroes)CFirst two digits of the year (with leading zeroes)BFull month namebAbbreviated month namemTwo-digit month (with leading zeroes)dTwo-digit day (with leading zeroes)eTwo-digit day (without leading zeroes)AFull weekday nameaAbbreviated weekday namejThree-digit day of year (with leading zeroes)HTwo-digit hour (with leading zeroes), between 00 and 23kTwo-digit hour (without leading zeroes), between 0 and 23ITwo-digit hour (with leading zeroes), between 01 and 12lTwo-digit hour (without leading zeroes), between 1 and 12MTwo-digit ... Read More