Get the last three chars from any string - Java

Question

I\'m trying to take the last three chracters of any string and save it as another String variable. I\'m having some tough time with my thought process.

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Answer 1

Why not just String substr = word.substring(word.length() - 3)?

Update

Please make sure you check that the String is at least 3 characters long before calling substring():

if (word.length() == 3) {
  return word;
} else if (word.length() > 3) {
  return word.substring(word.length() - 3);
} else {
  // whatever is appropriate in this case
  throw new IllegalArgumentException("word has less than 3 characters!");
}