Does arraylist guarantee insertion order?
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What does args stand for?
Which one is faster? A binary search of an orderd set of elements in an array or a sequential search of the elements.
Define shortest path?
Define path in a graph?
What happens if we try to insert duplicate key in hashmap?
What data type is array?
Why is data structure important?
Is a hash table a map?
Will it create any problem if we add elements with key as user defined object into the treemap?
What happens when arraylist is full?
Why is data structure used?
Which collection allows null values?