Describe queue operation.
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What does the dummy header in linked list contain?
What does each entry in the link list called?
Can we override compareto method for enumerations?
Will it create any problem if we add elements with key as user defined object into the treemap?
Check if duplicates exist in an array of N which has range 1 to N.
Define circular list?
How will you check the validity of an expression containing nested parentheses?
Are linked lists considered linear or non-linear data structure?
Explain what is the type of the algorithm used in solving the 8 queens problem?
Can arraylist be empty?
Why enum can not be used directly with printf function?
Is hashtable better than dictionary?