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Data Structures Interview Questions
Questions Answers Views Company eMail

Why we use linked list?

905

Why is hashmap faster than arraylist?

1010

Why is arraylist not thread safe?

915

Which is better hashset or treeset?

1003

What is the default capacity of hashmap?

830

What is difference between set and map?

986

What is difference between list and set?

827

What is difference between hashtable and hashmap?

1031

Why entry interface is used in map?

922

What is meant by arraylist?

920

What is the maximum size of array?

920

Which is better array or linked list?

899

Why is hashmap faster than treemap?

903

Why concurrenthashmap is fail safe?

957

What is difference between hashmap and treemap?

948


Post New Data Structures Questions

Un-Answered Questions { Data Structures }

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

1154


Explain the common uses of tree database.

912


What is dynamic array with example?

969


Explain what are the major data structures used in the network data model?

1066


What is difference between hashmap and hashset?

967


Why do we need a data structure?

998


Define a set?

941


What is a node in it?

927


Can we add elements to final list?

908


State the properties of b tree.

1040


Define union-by-weight?

1020


What are the types of algorithms?

966


How arraylist increase its size?

907


By Which algorithm, the 8 queens problem is solved?

907


What are the disadvantages array implementations of linked list?

927