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Chapter 25.6, Problem 25.6.3CP

Explanation of Solution

“java.util.PriorityQueue” class:

This is an unbounded priority queue based on a priority heap. It does not allow null elements. In priority queue the elements are ordered according to the ordinary order.

Given statement in Listing 25.9:

  • In the given statement initially create the single node tree and added to the heap.
  • In every iteration, the “while” condition set the two smallest weight which are removed from the heap and are gathered to form a big tree, then the new tree is added to the heap...

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