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I'm using Java. I have an assignment where we make a program that checks for the...

I'm using Java. I have an assignment where we make a program that checks for the solvability of a grid. It works the same way as an 8 tile puzzle however the size of the grid can differ. A grid is valid if every row has the same number of columns and every column has the same number of rows. My question is what would you write so that the program can know if the grid is valid?

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A grid will be a 2D array having rows and columns, and to describe a grid to be valid one, we need to check that the 2D array or the grid should be a square matrix or we can say the number of columns in the grid should be equal to the number of rows, and when we compare them and they come out to be equal then we can conclude that the gird is valid because the rows would have same number of columns and the columns will have same number of rows.

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