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Which two are valid declarations of a two-dimensional array?
Correct Answer: A,D
Explanation/Reference: Explanation: int[][] array2D; is the standard convention to declare a 2-dimensional integer array. int[] array2D[]; works as well, but it is not recommended. Incorrect answers: int[2][2] array2D; The size of the array cannot be defined this way. int array2D[]; is good definition of a one-dimensional array. int[] []array2D[];is good definition of a three-dimensional array.