https://www.codewars.com/kata/sections/train/java Codewars: Train your coding skills Codewars is where developers achieve code mastery through challenge. Train on kata in the dojo and reach your highest potential. www.codewars.com Consider the following equation of a surface S: z*z*z = x*x * y*y. Take a cross section of S by a plane P: z = k where k is a positive integer (k > 0). Call this cross..

https://www.codewars.com/kata/first-variation-on-caesar-cipher/java Codewars: Train your coding skills Codewars is where developers achieve code mastery through challenge. Train on kata in the dojo and reach your highest potential. www.codewars.com The action of a Caesar cipher is to replace each plaintext letter with a different one a fixed number of places up or down the alphabet. This program..

https://www.codewars.com/kata/are-they-the-same/java Codewars: Train your coding skills Codewars is where developers achieve code mastery through challenge. Train on kata in the dojo and reach your highest potential. www.codewars.com Given two arrays a and b write a function comp(a, b) (compSame(a, b) in Clojure) that checks whether the two arrays have the "same" elements, with the same multipli..

https://www.codewars.com/kata/duplicate-encoder/java Codewars: Train your coding skills Codewars is where developers achieve code mastery through challenge. Train on kata in the dojo and reach your highest potential. www.codewars.com Duplicate Encoder The goal of this exercise is to convert a string to a new string where each character in the new string is "(" if that character appears only once..

https://www.codewars.com/kata/the-clockwise-spiral/java Codewars: Train your coding skills Codewars is where developers achieve code mastery through challenge. Train on kata in the dojo and reach your highest potential. www.codewars.com Do you know how to make a spiral? Let's test it! Classic definition: A spiral is a curve which emanates from a central point, getting progressively farther away ..