Programming Ruby 3.2 (5th Edition): B2.0 page 517, requre --> require

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@noelrappin

page 517, in JRuby, paragraph 7 (bullets for one), end of first line : requre instead of require

When using JRuby, you can import any Java library in your Java class path. If you add requre
                                                                               -----> ^^^^^^
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Fixed!!!