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

Data Structures Interview Questions

Questions Answers Views Company eMail

Calculate the address of a random element present in a 2d array, given base address as ba.

1518

List some applications of queue data structure.

929

Write a recursive c function to calculate the height of a binary tree.

908

Differentiate among cycle, path, and circuit?

963

What will you prefer for traversing through a list of elements between singly and doubly linked lists?

914

Where will be the free node available while inserting a new node in a linked list?

924

How can you insert a node in a random location of the linked list?

890

For which header list, the last node contains the null pointer?

855

Mention a few applications of linked lists?

927

How can someone display singly linked list from first to last?

857

How can we delete any specific node from the linked list?

925

How can we delete the first node from the singly linked list?

953

Explain singly linked list in short.

914

Mention some drawbacks of the linked list.

971

Explain linked list in short.

900

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Un-Answered Questions { Data Structures }

What is the best case complexity of bubble sort?

850

What is the difference between length () and size () of arraylist?

906

Why is quicksort not stable?

1005

What is a matrix?

1077

What is data structure and its types?

914

Which collection allows null values?

876

What do you mean by hash table?

1030

Define in brief an array. What are the types of array operations?

1208

Differentiate between queue and stack.

1208

where do you use double linked list?

1063

What is adt in data structure?

994

What is difference between hashmap and hashtable?

965

What is nonlinear data?

985

Why do we study data structures?

928

What do you mean by open addressing?

995

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