"this method takes an array of ints as a parameter and returns a single-dimensional array of booleans. the length of the array returned should be equal to the number of rows in the two-dimensional array parameter. the element at index i of the returned array will be true if there is a 0 in the corresponding row of the parameter array; otherwise, it will be false. assume that every row in a has the same number of columns." excerpt from: julie anderson. "java illuminated." apple books.