Can an arraylist be null?
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What is difference between static and dynamic array?
Write the algorithm for converting infix expression to postfix expression?
Which is better stack or queue?
What is the difference between hashset and linkedhashset?
“int a[] = new int[3]{1, 2, 3}” – This a legal way of defining the arrays?
What are trees in data structures?
What is the two-dimensional array?
Which is better than array and linked list?
What are vectors used for in real life?
Q # 1 : in which graph algorithm do we start finding vertices that should be first in the topological order and then apploy the fact that every vertex must come before its successors in the topolgical order.
Why is hashmap used?
What are the best data structure courses for gate preparation?