In this post we’ll see how to convert 24 hours time format to 12 hours time format and 12 hours time format to 24 hours time format in Java. For the conversion you can either use SimpleDateFormat or Java 8 onward you can use DateTimeFormatter class to do the conversion…
In this post we’ll see Java programs to convert LocalDate, LocalTime and LocalDateTime to java.time.Instant. Table of contents Convert LocalDate to Instant in Java Convert LocalTime to Instant in Java Convert LocalDateTime to Instant in Java Convert ZonedDateTime to Instant in Java Convert LocalDate to Instant in Java An Instant…
The java.time.temporal.TemporalAdjusters class is part of new date and time API added in Java 8 which provides common and useful TemporalAdjusters. TemporalAdjusters class has many static methods for modifying temporal objects i.e. methods for adjustments of date and time. You have to understand two interfaces Temporal and TemporalAdjuster to understand…
The java.time.Duration class is part of new date and time API added in Java 8 that represents a time-based amount of time, such as ‘34.5 seconds’. Duration class models a quantity or amount of time in terms of seconds and nanoseconds. It can be accessed using other duration-based units, such…
The java.time.Period class is part of new date and time API added in Java 8 that represents a date-based amount of time in the ISO-8601 calendar system, such as ‘4 years, 2 months and 10 days’. Java Period class models a quantity or amount of time in terms of years,…
The java.time.Instant class is part of new date and time API added in Java 8 that represents a single instantaneous point on the time-line. Instant is stored in two fields, it stores a long representing epoch-seconds and an int representing nanosecond-of-second, which will always be between 0 and 999,999,999. The…
The java.time.ZonedDateTime class is part of new date and time API added in Java 8 that represents a date-time with a time-zone in the ISO-8601 calendar system, such as 2019-11-02T09:27:07+05:30[Asia/Calcutta]. Java ZonedDateTime class stores all date and time fields, to a precision of nanoseconds, and a time-zone, with a zone…
The java.time.LocalDateTime class is part of new date and time API added in Java 8 that represents a date-time in the ISO-8601 calendar system, such as 2019-10-03T11:15:35, it represents a date-time, often viewed as year-month-day-hour-minute-second. LocalDateTime class does not store or represent a time-zone. Instead, it is a description of…
The java.time.LocalTime class is part of new date and time API added in Java 8 that represents a time in the ISO-8601 calendar system, such as 10:12:36. LocalTime class does not store or represent a date or time-zone. Instead, it is a description of the local time as seen on…
The java.time.LocalDate class is part of new date and time API added in Java 8 that represents a date in the ISO-8601 calendar system, such as 2019-10-03. LocalDate class does not store or represent a time or time-zone. LocalDate class is immutable thus thread-safe. It is also marked as final…
