Can a class have a constructor?
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What is example of data?
How does dynamic memory allocation help in managing data?
If you have to store one lakh objects, what will be a better option- a hash map or an array list?
Is hashmap an array?
What is stable sorting?
Is hashmap get thread safe?
What is the difference between arraylist and linkedlist?
What are types of Collision Resolution Techniques and the methods used in each of the types?
Is map a data structure?
Is hashmap synchronized?
Why is arraylist used?
What is a 2 dimensional array?