emopers opened a new pull request #102: Flush ObjectOutputStream before calling toByteArray on underlying ByteArrayOutputStream URL: https://github.com/apache/commons-math/pull/102 When an `ObjectOutputStream` instance wraps an underlying `ByteArrayOutputStream` instance, it is recommended to flush or close the `ObjectOutputStream` before invoking the underlying instances's `toByteArray()`. Although in these cases it is not strictly necessary because `writeObject` method is invoked right before `toByteArray`, and `writeObject` internally calls `flush`/`drain`. However, it is good practice to call `flush`/`close` explicitly as mentioned, for example, [here](http://stackoverflow.com/questions/2984538/how-to-use-bytearrayoutputstream-and-dataoutputstream-simultaneously-java). This pull request adds a call to the `flush` method before calls to the `toByteArray` method.
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