Consider the following code snippet: PrintWriter outputFile = new PrintWriter (f

Question

Consider the following code snippet: PrintWriter outputFile = new PrintWriter (filename); writeData (outputFi1e); outputFile, close () 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 can represent Class
These are the entity that can be indentified uniquely

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