What are the notations used in Evaluation of Arithmetic Expressions using prefix and postfix forms?

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What is the difference between data types and data structures?

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Now you are given an array of a characters (both ASCII and Kanji) and, an index into the array. The index points to the start of some character. Now you need to write a function to do a backspace (i.e. delete the character before the given index).

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Explain implementation of deletion from a binary tree.

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In the given binary tree, using array you can store the node 4 at which location? 1 2 3 - - 4 - - 5

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What do you mean by open addressing?

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Write a program to sum values of given array.

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Is arraylist a collection?

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Calculate the efficiency of sequential search?

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What things you would care about to improve the performance of application if its identified that its db communication that needs to be improved?

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Why do we need searching algorithms?

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How will inorder, preorder and postorder traversals print the elements of a tree?

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