Write a method called flipLines that accepts a Scanner for an input file and writes to the console the same file’s contents with each pair of lines reversed in order. If the file contains an odd number of lines, leave the last line unmodified. For example, if the file contains:
Twas brillig and the slithy tovesdid gyre and gimble in the wabe.All mimsey were the borogroves,and the mome raths outgrabe.
your method should produce the following output:
did gyre and gimble in the wabe.Twas brillig and the slithy tovesand the mome raths outgrabe.All mimsey were the borogroves,
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