Why do we use trees in data structures?
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Does the minimum spanning tree of a graph give the shortest distance between any 2 specified nodes?
Are the expressions arr and &arr same for an array of integers?
Explain the Array
Which interfaces are implemented by hashmap?
Given an array of integers, devise a program to replace every element with the next greatest element on the right side in the array. Also, replace the last element with 5 as there no element on the right side of it.
What is array sort?
What is a data structure definition?
How do you sort a map by key?
Is hashtable throw concurrentmodificationexception?
What is complexity of quicksort?
What are the Differences between map and hashmap?
What is complexity algorithm?