Is collection a class or interface?


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More Data Structures Interview Questions

Does arraylist shrink?

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Explain the Stack

0 Answers   Tech Mahindra,


What is data type with example?

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What is the difference between hashmap and linkedhashmap?

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Q#1: An algorithm is made up of 2 modules M1 and M2.If order of M1 is F(n) and order of M2 is g (n) then what is the order of the algorithm. Q # 2 : How many binary trees are possible with 3 nodes? with 4 nodes?

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Why is sorting important?

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Is quicksort a stable algorithm?

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Can arraylist contain null?

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What is a priority queue?

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What the principle of quick sort and its complexity?

0 Answers   Honeywell, Zomato,


What is difference between list and array list?

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How do you sort an arraylist?

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