//·A·lower triangular-matrix-is a-matrix-that·has zeros·in-all·entries above the main- diagonal.J //· For this problem, I·have-written-a program - which-reads integers into a matrix·arra y.of length-n-rows by -n.columns.J //· Next· there is a method-which takes the matrix-array-and then-returns true·if-it·is. a·lower triangular-array, false·if notg //· Here is the signature for the method. - isbewerIciangularMatcix: (int[][]) · where the· argument·is for the matrix.J //:You-are to write the method·isbeuentciangulacNatcixI

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