Data Structures Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Data Structures Interview Questions

Questions Answers Views Company eMail

Is arraylist better than array?

946

Does hashmap allow duplicate keys?

1008

Can you change size of array once created?

847

Can an arraylist be null?

917

Can hashset contain duplicates?

969

What is difference between treeset hashset linkedhashset?

922

What is an array vs list?

858

What is difference between while and do while?

878

Why use a tuple instead of a list?

870

Is list an array?

836

What is the difference between for and foreach loop?

973

Is list same as array?

835

What is a string or array type?

806

What is difference between for loop and foreach?

868

What is the difference between list and arraylist?

934

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Un-Answered Questions { Data Structures }

Is pointer a variable in data structure?

1281

Can we modify final arraylist?

1042

Does map extend iterable?

942

How many sorting are there in data structure?

879

What are the goals of data structure?

1233

What are the applications of stack?

899

What happens when arraylist is full?

989

How do you represent a linked list?

902

what are the applications that use Linked lists?

894

How to get the index of an array element?

1051

What is a treemap chart?

850

What does enum do?

914

What is the complexity of adding an element to the heap?

934

Tell me about circular linked list?

933

What is the use of space complexity and time complexity?

1043

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