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

Data Structures Interview Questions

Questions Answers Views Company eMail

What is the need for path compression?

1092

Define a relation?

946

What do you mean by balanced trees?

1021

Define depth and height of a tree?

1118

Define forest?

984

What are the properties of binary heap?

1024

Define degree of the node?

1002

What are the major data structures used in the following areas : network data model & hierarchical data model?

1031

What are the applications of b-tree?

983

When is a graph said to be weakly connected?

999

What do you mean by the term “percolate down”?

905

Define data type and what are the types of data type?

897

Name two algorithms two find minimum spanning tree?

938

What are the advantages of modularity?

961

What do you mean by hash table?

1035

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Un-Answered Questions { Data Structures }

What are the advantages of linked list over array (static data structure)?

1342

List the abstract operations in the set?

898

Is any implicit arguments are passed to a function when it is called?

1018

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

927

Which is the parent class of abstractsequentiallist class?

952

What is array sort?

887

Define red-black trees.

963

Does mentioning the array name gives the base address in all the contexts?

1388

Why do we use hashset?

936

What is the time complexity of hashmap get () and put () method?

888

Define adjacent nodes?

1058

What is nonlinear data?

998

What is the difference between list and arraylist?

939

Does list allow null values?

927

Which is better hashmap or treemap?

968

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