larsgrefer opened a new pull request #271: Use empty arrays for Collections.toArray() URL: https://github.com/apache/tomcat/pull/271 There are two styles to convert a collection to an array: either using a pre-sized array (like `c.toArray(new String[c.size()])`) or using an empty array (like `c.toArray(new String[0])`). In older Java versions using pre-sized array was recommended, as the reflection call which is necessary to create an array of proper size was quite slow. However since late updates of OpenJDK 6 this call was intrinsified, making the performance of the empty array version the same and sometimes even better, compared to the pre-sized version. See also: https://shipilev.net/blog/2016/arrays-wisdom-ancients/
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