QUESTION 7 All of the following are examples of secondary storage except_ O hard disk drive DVD (digital versatile disc) Okeyboard O USB drive QUESTION 8 In a Java program, the file name must be the same as the__ O method name O class name O object name O data name QUESTION 9 Which of the following is NOT a reserved (i.e. special) word in Java? O int public O class O num QUESTION 10 Which of the following is a valid Java identifier? 1Stop_and_go O #salaryForTheMonth O Hello_There OmyNumber