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8.7

What type of data structure to use?

Asked by purewin in Java Programming Language, Algorithms, New to Java Programming

I have this assignment in which I need to create a program that creates a number grid. I'm unsure of what kind of data structure I should use to implement the requirements that follow. Should I use a doubly linked list? Binary search tree? Any thoughts would be greatly appreciated!

Data structures

Each cell in the grid will be represented by a Node (a class) with a Value field and two pointer (i.e. reference) fields, right and down. The right pointers will be used to link the nodes into rows and the down pointers will link the nodes into columns. Each row will be linked as a circle (the right field of the final node in each row will point to the first node in the row) as will each column (the down pointer of the bottom node pointing to the top node of the column).

A Value is represented as a class with three fields: a double field, dval, to hold numeric values, a String field, sval, for character strings, and a tag field which indicates whether the Value is currently a number or string (or is invalid). Arithmetic (+, -, *, and /) can be performed on Values.

The grid itself will be an instance of a Grid class. This class will have integer fields for the number of rows, number of columns, and the print width (for displaying a cell). Use the value 10 for print width. It will have a head field which points to the first node of the grid (at row 0, column 0). A constructor and a number of public member functions for the grid operations will be written.

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What type of data structure to use?

Asked by purewin in Java Programming Language, Algorithms, New to Java Programming

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