Java開発者としてはSimpleDateFormatがスレッドセーフではないことは常識だと思っているのですが、仕事で保守しているシステムでこのオブジェクトをstaticで保持して、マルチスレッドでアクセスするという実装があることが最近発覚して対応に追われました。

In this example we will show how to use `java.text.SimpleDateFormat` class so as to convert a Date into a formatted string or a string to a Date. 在这个案例中 ...

While debugging a problem in our service, I noticed that Gson is using SimpleDateFormat. While doing that, it is taking a lock that causes other threads using that same instance of Gson to block ...

To get the full date with time you can use the below code. You can pass any date that you wan to change, I'm getting date in full date format in the below example: /** * Get full month day year format ...

I really hope we're missing something obvious.<BR><BR>So, in SimpleDateFormat Java provides us with two definitions of time zone, the General (z) and the RFC 822 (Z). General is long format, short ...