The correct answer is: **c. TreeMap**

### Explanation
- **ArrayList**: This class does not maintain a sorted order of its elements; it allows dynamic resizing but does not sort.
- **PriorityQueue**: This class allows elements to be stored in a priority order (not necessarily sorted like a TreeMap), but it does not allow access to elements in a sorted order directly.
- **TreeMap**: This class implements a navigable map that maintains keys in a sorted order. It allows for generic elements to be stored in a manner that keeps them sorted based on their natural ordering or by a specified comparator.
- **HashSet**: This class does not maintain any order of its elements; it provides no guarantee of the iteration order.

Therefore, the Collection class that allows generic elements to be stored in a sorted order is **TreeMap**.

Question

The correct answer is: **c. TreeMap**

### Explanation
- **ArrayList**: This class does not maintain a sorted order of its elements; it allows dynamic resizing but does not sort.
- **PriorityQueue**: This class allows elements to be stored in a priority order (not necessarily sorted like a TreeMap), but it does not allow access to elements in a sorted order directly.
- **TreeMap**: This class implements a navigable map that maintains keys in a sorted order. It allows for generic elements to be stored in a manner that keeps them sorted based on their natural ordering or by a specified comparator.
- **HashSet**: This class does not maintain any order of its elements; it provides no guarantee of the iteration order.

Therefore, the Collection class that allows generic elements to be stored in a sorted order is **TreeMap**.

Knowee AI · Accepted Answer

The correct answer is: **c. TreeMap**

### Explanation
- **ArrayList**: This class does not maintain a sorted order of its elements; it allows dynamic resizing but does not sort.
- **PriorityQueue**: This class allows elements to be stored in a priority order (not necessarily sorted like a TreeMap), but it does not allow access to elements in a sorted order directly.
- **TreeMap**: This class implements a navigable map that maintains keys in a sorted order. It allows for generic elements to be stored in a manner that keeps them sorted based on their natural ordering or by a specified comparator.
- **HashSet**: This class does not maintain any order of its elements; it provides no guarantee of the iteration order.

Therefore, the Collection class that allows generic elements to be stored in a sorted order is **TreeMap**.

Which Java Collection class allows generic elements to be stored in a sorted order?Question 3Answera.ArrayListb.PriorityQueuec.TreeMapd.HashSet

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