java - Time complexity of TreeMap operations- subMap, headMap, tailMap - Stack Overflow
Does anyone know the time complexity of the operations of TreeMap like - subMap, headMap. tailMap.
The time complexity of operations like get, put is O(logn). But the javadoc doesnt say much about the complexity for the above operations.
The worst case complexity I can thinks of O(n) since it will go through the entire list if the set includes the last element. Can we confirm it?
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