Solution to fe94: Using Stream.map and Stream.filter
See code at solutions/code/tutorialquestions/questionfe94
Compare your solution to the sample answer.
In reverseEachString, note the syntax StringBuilder::new for mapping the constructor of StringBuilder that takes a String argument over a stream of Strings to get a stream of StringBuilders.
Think about the differences in readability between the standard and monolithic versions you have implemented, and whether you have a preference.