Which of the following class needs to import to open and read from a file? A. java.io.FileOutputStream OB. java.lang.math C. java.io.FileInputStream OD. java.io.IOException String DeptCode="INEG"; int CourseNumber= 2214; Which of the following print statement is correct? System.out.printf("%d-%s", DeptCode, CourseNumber); System.out.print("%s-%d", DeptCode, CourseNumber); System.out.printf("%s-%d", CourseNumber, DeptCode); System.out.printf("%s-%d", DeptCode, CourseNumber); What will the following code print out? int[] array2 = {2,3,4,5}; System.out.println(array2[2]); A. ArrayIndexOutOfBoundsException O B.2 O C. 3 D.4