Cross Word Puzzle

1234567891011
Across
  1. 6. Resizable array implementation of List interface in java.util (9)
  2. 7. java.lang class providing mathematical functions and constants (4)
  3. 8. Core package automatically imported, includes fundamental classes (4)
  4. 9. java.util class for date/time manipulation (8)
  5. 10. Clue
Down
  1. 1. Class in java.lang representing sequences of characters (6)
  2. 2. Interface in java.util that defines basic group operations on objects (10)
  3. 3. Common java.util class implementing key-value pairs (7)
  4. 4. Utility package needing explicit import, includes collections (4)
  5. 5. Class in java.util used for input reading from console/files (7)
  6. 11. Root superclass of all Java classes in java.lang (6)