What is a heap in Java and how is it implemented?
A heap in Java is a special tree-based data structure that satisfies the heap property. It can be implemented using an array.
Can you explain the difference between a max heap and a min heap?
Sure! In a max heap, the parent node is always greater than or equal to its child nodes, while in a min heap, the parent node is less than or equal to its child nodes.
How do you insert an element into a heap?
To insert an element, you add it to the end of the heap and then 'bubble up' to maintain the heap property.
What are the time complexities for insertion and deletion in a heap?
Both insertion and deletion operations in a heap have a time complexity of O(log n), where n is the number of elements in the heap.
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