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

Data Structures Interview Questions

Questions Answers Views Company eMail

How can you correct these errors?

986

Explain binary searching, Fibonacci search.

946

How would you use qsort() function to sort the name stored in an array of pointers to string?

948

What do you mean by Syntax Error

1071

What is the similarity between a Structure, Union and enumeration?

1017

How would you use bsearch() function to search a name stored in array of pointers to string?

850

Difference between arrays and linked list?

943

Are the expressions arr and &arr same for an array of integers?

1003

Evaluate the following prefix expression " ++ 26 + - 1324" (Similar types can be asked)

975

What do you mean by Runtime Error

1013

How do you declare An array of three pointers to chars

865

Can you dynamically allocate arrays in expanded memory?

1042

What is the difference between Strings and Arrays?

1044

How would you dynamically allocate a one-dimensional and two-dimensional array of integers?

982

How do you declare An array of three char pointers

1023

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Un-Answered Questions { Data Structures }

Write a program to reverse a single linked list.

945

Why do we use hashset?

931

Differentiate between failfast and failsafe.

1174

Explain what is linear search?

968

What are the disadvantages of representing a stack or queue by a linked list?

928

Write the advantage of separate chaining?

929

What do you mean by external sorting?

860

What things you would care about to improve the performance of application if its identified that its db communication that needs to be improved?

932

Define disjoint set adt?

935

Define an algorithm.

974

Why null is not allowed in treemap?

982

Define a stack?

1073

Is a hashmap a dictionary?

876

How is hashmap o 1?

849

What is data type with example?

948

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