How to Convert Unix Epoch Time to a Java Date Object?

Converting Unix Epoch Time to Java Date Object

When working with dates, developers often encounter the Unix Epoch time, a standard representation of time as an integer representing the number of seconds that have elapsed since January 1, 1970, at midnight UTC. Converting this epoch time into a Java Date object can be a challenge.

One common approach is to use the SimpleDateFormat class. However, determining the correct format argument can be tricky. An alternative solution is to directly convert the epoch time string to a long integer using the Long.parseLong() method and then initialize the Date object using this long value:

Date expiry = new Date(Long.parseLong(date));

However, if the epoch time is in seconds instead of milliseconds, a multiplication by 1000 may be necessary before creating the Date object:

Date expiry = new Date(Long.parseLong(date) * 1000);

By utilizing these approaches, developers can effortlessly convert Unix Epoch time strings into Java Date objects, enabling them to work with dates and times efficiently in their Java applications.

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