What is difference between hashmap and linkedhashmap?
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What is the use of tree data structure?
Define level of the tree?
What is the time complexity of arraylist and linked list?
Define an algorithm. What are the properties of an algorithm?
Can you use Bubble Sort To sort the number of elements.
What are the drawbacks of array implementation of queue?
Why linked list is required?
what is mean by d-queue?
Parenthesis is never required in postfix or prefix expressions, why?
Is hashmap an object?
What are different sorting algorithms?
What is the time complexity of hashmap get () and put () method?