Strings and ArrayLists

Edit Answers
12345678910
Across
  1. 2. method to convert a String to an array of characters (7)
  2. 8. data structure to store a collection of objects (8)
  3. 9. add an element to the end of an ArrayList (4)
  4. 10. A sequence of characters (7)
Down
  1. 1. method to determine the length of a String (4)
  2. 3. A mutable sequence of objects (10)
  3. 4. method to remove an element from an ArrayList (6)
  4. 5. method to check if a String contains a specific character (7)
  5. 6. method to concatenate two Strings (5
  6. 7. method to reverse a String (6)