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

Data Structures Interview Questions

Questions Answers Views Company eMail

Tell me why might quick sort might be better than merge sort?

975

Tell me how to find middle element of linked list in one pass?

954

Explain Array of pointers?

1025

What is two-dimensional array?

1010

Tell me why can't constant values be used to define an array's initial size

971

Can you please explain the difference between string and an array?

1210

Tell me can the size of operator be used to tell the size of an array passed to a function?

1049

Tell me is it better to use a pointer to navigate an array of values, or is it better to use a subscripted array name?

974

Tell me do array subscripts always start with zero?

932

Can you please explain the difference between array_name and &array_name?

1035

Why do we use a multidimensional array in data structure?

1069

Difference between calloc and malloc in data structures?

961

What is a data structure node class?

1058

How is the front of the queue calculated in data structure?

917

What is impact of signed numbers on the memory using data structures?

1094

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Un-Answered Questions { Data Structures }

Give one example of right rotation.

984

What is a string or array type?

861

Is map a collection?

901

State the difference between arrays and linked lists?

1046

What is bubble sort technique?

941

What do you mean by spanning tree?

1183

Give us a program to reverse a linked list.

1029

What is the complexity of arrays sort?

964

How can I learn data structures?

984

Define balanced trees?

1082

What is the relationship between a queue and its underlying array?

1341

How does a treemap sort?

885

Define outdegree of a graph?

1014

Explain what is the type of the algorithm used in solving the 8 queens problem?

919

Why is hashmap faster than arraylist?

1079

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