Need coding help - two dimensional matrix and it returns back a boolean.

Need coding help - two dimensional matrix and it returns back a boolean.

I need to write a code method that accepts a two dimensional integer arrays as the argument and returns true if the array or matrix is left or right triangular matrix. I need to be test this method using main method. If it is true it is a triangular matrix if false it is not. any help with this coding is appreciated!

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