While the basic course is free and great for getting started, they also have a ‘Pro’ version if you want to dig deeper. It’s ...
Given three ints, a b c, return true if two or more of them have the same rightmost digit. The ints are non-negative. Note: the % "mod" operator computes the remainder, e.g. 17 % 10 is 7.
else if(str.charAt(0) == 'x' && str.charAt(str.length() - 1) == 'x') return str.substring(1, str.length() - 1); else if(str.charAt(0) == 'x') return str.substring(1 ...
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