In this video of code decode we have explained find if one string is a rotation of another i.e. string rotation problem. It is the most commonly asked core java string interview question and answer
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given a string = "decode"
left rotation of string with 2 characters is = "codede"
right rotation of string with 2 characters is "dedeco"
To find if one string is rotation of another String by using a solution- is to concatenate s1 with itself. s2 is a rotation of s1 if and only if it is a substring of the rotated string. In java we can either use string contains or indexOf to check for substring.
Git link : https://github.com/codedecode25/Strin...
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