Can we create a null as a key for a map collection?
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What is vector and types of vector?
Which is faster quick sort or merge sort?
Why is null not allowed in concurrenthashmap?
What is dequeue in data structure?
Differentiate null and void?
difference between the run time polymorphism and compile time poly morphism and about virtual function.
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How do you use the sort function?
How dynamic arrays are created?
What is the application of queue?
What is difference between hashmap and treemap?
Can treemap have duplicate values?
What is the difference between a Stack and a Queue.