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Determine if a word or phrase is an isogram.
An isogram (also known as a "nonpattern word") is a word or phrase without a repeating letter, however spaces and hyphens are allowed to appear multiple times.
Examples of isograms:
The word isograms, however, is not an isogram, because the s repeats.
If you find that testWorksWithGermanLetters
fails even though you think you've implemented it correctly,
this could be because of the JVM encoding.
Try setting the JAVA_TOOL_OPTIONS
environment variable to -Dfile.encoding=UTF8
to fix this.
To set an environment variable on Windows:
You can run all the tests for an exercise by entering
$ gradle test
in your terminal.
Wikipedia https://en.wikipedia.org/wiki/Isogram
It's possible to submit an incomplete solution so you can see how others have completed the exercise.