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 does a bubble chart show?

896

Is quicksort a stable sorting algorithm?

989

Is copyonwritearraylist thread safe?

857

Does list maintain insertion order?

890

Is treeset sorted?

953

How do I sort a hashmap key?

875

What happens if we put a key object in a hashmap which exists?

948

How do you find the complexity of a bubble sort?

844

Can we insert null in hashset?

1067

Is bubble sort adaptive?

882

How many types of sorting algorithms are there?

892

How do I sort hashset?

908

Can hashtable have duplicate values?

911

How do you find the complexity of a selection sort?

905

What are different types of sorting algorithms?

1001

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Un-Answered Questions { Data Structures }

What is a undirected graph?

963

Define a Deque?

1056

What is the best complexity of bubble sort?

918

Is linked list faster than array?

848

What is array and structure?

986

Does hashmap allow null keys?

868

Is heap sort stable?

876

List some applications of queue data structure.

929

State the rules to be followed during infix to postfix conversions?

1159

How many types of data structures are there?

1123

What are the disadvantages of linked list?

904

What is meant by binary tree traversal?

972

Can we store primitives in collections?

911

What is the difference between array list and vector list?

904

What is dequeue operation?

962

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