CodingBat srp4379@lausd.net getLastLetter

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public String getLastLetter(String word)

Given a String, return its LAST letter.

public String getLastLetter(String word) {
  int len = word.length();
  String s = word.substring(len-1);
  return s;
}

NOTE: When you substring() with just ONE parameter,
i.e. when there is only a start parameter (and no stop parameter)
you collect all of the letters from the start position to the end of the string!

getLastLetter("abc") → "c"
getLastLetter("123") → "3"
getLastLetter("Hollow") → "w"

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