Coding Interview Resources

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Internal


  • Java API call to get a String of certain length made of spaces.
  • Arrays have .length, Strings have length()
  • Lists have size()
  • Map has containsKey(T key), get(T key)
  • Digit character (‘0’ – ‘9’) to its int value (int)c – 48 (‘0’ is 48, ‘9’ is 57, ‘A’ is 65)
  • LinkedList API (add(), iterate)
  • List<Key>[] a; a = new List<Key>[10];
  • The mathematics of a modulo of a negative number.