Good work, definitely approved.

Nice work

Same sentiments here

This seems to be good.

Thank you for pointing this out. I may not be able to provide random tests for now. But I'll have it published with random test cases on the next iteration.

For your request, please see ff:

assertEquals("Jipapad, Maslog, Arteche, San Policarpo, Oras, Dolores, Can-avid, Taft, Sulat, San Julian, Borongan, Maydolong, Balangkayan, Llorente, Hernani, General MacArthur, Giporlos, Balangiga, Lawaan, Salcedo, Mercedes, Guiuan",
          routes.findRoutes(new String[][]{{"San Policarpo", "Oras"}, {"Balangiga", "Lawaan"}, {"Borongan", "Maydolong"}, {"Jipapad", "Maslog"}, {"Balangkayan", "Llorente"}, {"Mercedes", "Guiuan"}, {"Taft", "Sulat"}, {"Sulat", "San Julian"}, {"Arteche", "San Policarpo"}, {"Oras", "Dolores"}, {"Dolores", "Can-avid"}, {"Can-avid", "Taft"}, {"San Julian", "Borongan"}, {"Maydolong", "Balangkayan"}, {"Llorente", "Hernani"}, {"Hernani", "General MacArthur"}, {"General MacArthur", "Giporlos"}, {"Giporlos", "Balangiga"}, {"Lawaan", "Salcedo"}, {"Salcedo", "Mercedes"}, {"Maslog", "Arteche"}}));

Let me know what is confusing?
And this Kata won't be posted if the test cases are failing.

This Kata should be in <4 kyu>.

I already emphasized that it is only set as an Example since decalration of Array in Java differs from other Languages.

This is a fun and challenging!

I highly appreciate this kind of Kata.

The ORDER of the Place(s) where route was taken.

As set in the EXAMPLE
the given array of routes were as follows:
[[USA, BRA], [JPN, PHL], [BRA, UAE], [UAE, JPN]]

The return or result should be: "USA, BRA, UAE, JPN, PHL"

Thank you for your contributions.

:D

The Objective-C version had its Random Test argument - array - containing whitespace or invalid letter values specifically on the end element/node.

e.g.:

['e','g','[']

['j','k','m','n','o','p','q','r','�']

['e','f','g','h','i','j','l','m','0']

['i','k','l','']

On the Details, it is indicated that: "The array will always contain letters in only one case.".

I'll try to create a random tests on Java, but it should also be available on other languages.