From timestamp to date in Java

I've a problem creating new date in Java. I receive from webservice a timestamp (for example 1397692800). You can see from this online converter that is equal to 17 Apr 2014. When I try to create a new date with this timestamp in Java 

Date date = new Date (1397692800);

console says to me that is equal to Sat Jan 17 05:14:52 CET 1970. What's wrong with my code?

Jon Skeet
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The Date(long) constructor takes the number of milliseconds since the Unix epoch. I strongly suspect that you've been given the number of seconds since the Unix epoch - so just multiply that value by 1000L.

Date date = new Date(timestamp * 1000L);

Make sure you use 1000L rather than 1000, as otherwise if timestamp is an int, it will perform the arithmetic in 32 bits instead of 64, and you're very likely to get the wrong results.

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