What is heap tree explain with example?
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List the area of applications where stack data structure can be used?
Does treemap sort on key or value?
How does quick sort work?
Explain the difference between hashset and hashmap?
How will you sort the elements of array in descending order?
“int a[] = new int[3]{1, 2, 3}” – This a legal way of defining the arrays?
Is array a dynamic data structure?
Why insertion is faster in linked list?
Differentiate between set and map.
Differentiate between iterator and enumeration.
Which sorting is used in collections sort?
Which is the best book for data structures and algorithms?