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Write a function in Java that implements the following logic: Given a string str and a non-empty word, return a string made of each...
X34: wordEnds
Write a function in Java that implements the following logic:
Given a string str and a non-empty word, return a string
made of each character just before and just after every
appearance of the word in str. Ignore cases where there is
no character before or after the word, and a character may be
included twice if it is between two words.
Examples:
wordEnds("abcXY123XYijk", "XY") -> "c13i"
wordEnds("XY123XY", "XY") -> "13"
wordEnds("XY1XY", "XY") -> "11"
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