How can the program ensure that the file will be closed if an exception occurs o

Question

How can the program ensure that the file will be closed if an exception occurs on the writeData call? Explain your answer. A Quiz class contains an array of Question objects. This is best described as an example of ... Explain You are designing a software solution for an automobile rental company. You have decided that the following nouns apply to the requirements; Auto, Customer, Address, Rental Contract, Mileage, Rental Date, Daily Rate Total. Which of these should be represented as classes? Explain your answer.

Explanation / Answer

8)
   // opening file
       PrintWriter outputFile = null;
       try {
           outputFile = new PrintWriter(new File(filename));
           writeData(outputFile);
       } catch (FileNotFoundException e) {
           e.printStackTrace();
       }finally{
           if(out != null)
               out.close();
       }

9)
Composition is fundamentally different from inheritance. When you use composition, you are (as the other answers note) making a "has-a" relationship between two objects, as opposed to the "is-a" relationship that you make when you use inheritance.

10)

Customer, Auto, Address Rental Contract, Rentale Date can represent Class
These are the entity that can be indentified uniquely

Related Questions

Navigate

• Browse (All)
• Browse H
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.