Java’s String class encapsulates an array of bytes. A byte can be converted to a char, in which case, String becomes an array of characters used to compose words, sentences, or any other data you want ...
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You are given two strings s1 and s2 of equal length consisting of letters "x" and "y" only. Your task is to make these two strings equal to each other. You can swap any two characters that belong to ...
Perhaps the most important consideration related to achieving maximum value from toString() is to provide implementations of them. Although the root of all Java class hierarchies, Object, does provide ...
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