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Data Structures Interview Questions
Questions Answers Views Company eMail

Is arraylist a list?

888

Does treeset allow duplicates?

880

Is linkedlist thread safe?

860

Can you make an arraylist of arrays?

1079

Can we remove element from arraylist while iterating?

959

How do you find the size of an arraylist?

824

Can you store different types in an array?

910

Can arraylist have null values?

852

How remove all from arraylist?

928

How do you sort an arraylist?

873

Can you override methods of arraylist?

979

Can we give size to arraylist?

949

Can we store primitives in collections?

907

Can arraylist store primitives?

925

Can a hashset contain duplicates?

924


Post New Data Structures Questions

Un-Answered Questions { Data Structures }

How do you sort a collection in descending order?

912


Write program for Quick sort ?

1090


What is stable sort?

1007


Is hashtable throw concurrentmodificationexception?

750


Tell me the difference between structure and array?

969


Which collection type is used to maintain uniqueness of data structure?

1472


How do signed and unsigned numbers affect memory?

878


What is a priority queue?

949


What is copyonwritearraylist?

984


What are the advantages and disadvantages of copyonwritearraylist?

1116


How do I use quick sort?

846


Explain different methods in which you can traverse a tree?

896


How are elements stored in hashset?

946


Define open addressing?

954


What is a sorting algorithm in data structure?

909