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This article mainly introduces "how to use Java to achieve Z-shaped transformation". In daily operation, I believe that many people have doubts about how to use Java to achieve Z-shaped transformation. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful for you to answer the doubts about "how to use Java to achieve Z-shaped transformation". Next, please follow the editor to study!

Z-arranges a given string from top to bottom and left to right based on a given number of lines.

For example, if the input string is "LEETCODEISHIRING" and the number of lines is 3, the arrangement is as follows:

L C I RE T O E S I I GE D H N

After that, your output needs to be read line by line from left to right to produce a new string, such as "LCIRETOESIIGEDHN".

Please implement this function that converts a string to a specified number of lines:

Class Solution: def convert (self, s NumRows): ": type s: str: type numRows: int: rtype: str"if len (s) < numRows or numRows = = 1: return s index = 0 step = 1 ans = ['] * numRows for x in s: ans [index] + = x if index = = 0 : step = 1 elif index = = numRows-1: step =-1 index + = step return'. Join (ans) so far The study on "how to use Java to achieve Z-shaped transformation" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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