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

Data Structures Interview Questions

Questions Answers Views Company eMail

Can a stack be described as a pointer? Explain.

918

Define threaded binary tree. Explain its common uses

870

How do you find the depth of a binary tree?

966

Describe tree database. Explain its common uses.

975

What is a b+ tree? Explain its uses.

948

Explain implementation of deletion from a binary tree.

959

Explain the uses of b+ tree.

920

Define threaded binary tree.

1015

What is binary tree? Explain its uses.

889

What are splay trees?

953

Explain the uses of binary tree.

910

Explain the common uses of threaded binary tree.

997

Explain the common uses of tree database.

913

Explain implementation of traversal of a binary tree.

1049

Explain pre-order and in-order tree traversal.

936

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Un-Answered Questions { Data Structures }

Differentiate between hashmap and hashtable.

1109

Are collections thread safe?

837

“int a[] = new int[3]{1, 2, 3}” – This a legal way of defining the arrays?

1193

There is a program which inserts and deletes node in a sorted singly linked list. There is a bug in one of the modules, how would you debug it?

1706

How to reverse singly link list?

938

Can we extend an array after initialization?

1052

Can hashset contain null?

1024

What is data type and its types?

934

Mention the steps to insert data at the starting of a singly linked list?

969

What is meant by int?

987

Can arraylist be resized?

995

What is a spanning tree?does the minimum spanning tree of a graph give the shortest distance between any 2 specified nodes?

890

What do you mean by disjoint set adt?

975

Does treemap allow duplicate keys?

844

What is bubble sort and quick sort?

943

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