17. A) Write a Java statement that will store the value of the variable x in the fourth (4th) element of an array with the identifier iArray. B) Write a Java statement that will assign the value currently in dArray at index position three (3) to a variable with the identifier value. C) Write a Java statement that will assign to the element in the middle of oArray the value null. You can assume that oArray has an odd number of elements. D) Write a Java statement that will retrieve the value stored in the last row and first column and store it in a variable with the identifier result.