| 1. | Disjoint two collections | | |
| 2. | Whether Collection only contains a single unique object | | |
| 3. | Simple implementation of a generic Bag | | |
| 4. | Find a value of the given type in the given Collection | | |
| 5. | Check whether the given Collection contains the given element instance. | | |
| 6. | Return the first element in 'candidates' that is contained in source | | |
| 7. | Return true if any element in 'candidates' is contained in source | | |
| 8. | A utility class for working with attribute and parameter collections used by Spring Web FLow | | |
| 9. | Append, filter and get the size of collections | | |
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| 10. | Is collection is empty, and all of its elements are empty | | |
| 11. | Deep clone collection: Returns a new collection containing clones of all the items in the specified collection. | | |
| 12. | Get the difference of two collections | | |
| 13. | The collection related utilities | | |
| 14. | A combination of two collections into a collection | | |
| 15. | Clone an array | | |
| 16. | Clones a map and prefixes the keys in the clone | | |
| 17. | Clones the lhs map and add all things from the rhs map. | | |
| 18. | Dump collection to String | | |