What are the disadvantages of using collection classes over arrays?
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How does a hashtable work?
Why do we need arrays if all the operations that are performed on arrays can be performed on arraylist?
What is the difference between linked list and array?
Are lists mutable?
What is the complexity of arraylist?
What is circular queue in data structure?
What is the difference between a push and a pop?
What is long data type?
Can arraylist hold different types?
Which collection is used for sort?
What does stack top do?
What is the difference between an array and vector?