1) Suppose you want to write code that might throw an IllegalArgumentException. If the exception occurs, you want other code to run to handle the problem. Fill in the blanks:! ) _________ { int items = transaction.process(data, values); // might throw exception account.incementCount(items); // only if processing above succeeded } ________________ (IllegalArgumentException iae) { transaction.log("Problem processing ID: " + transaction.getID()); displayAlert(iae.getMessage()); }

2) Consider a Java program called ActivateSystems with a main method declared as: public static void main(String[] data) Suppose that you execute this main method using the following command line from your operating system: java ActivateSystems -a tempLog inputFile outputFile Which of the following is NOT true about the data array upon launch? data[4] is "outputFile"

data.length is 4 data[0] is "-a" data[3] is "outputFile"

3) Suppose we want to reject a null parameter with an appropriate exception. Complete the code: public void process(String value) { if (value == null) { ________________ } // remainder of method } throws (NullPointerException npe) Catch (NullPointerException npe) throw NullPointerException(); throw new NullPointerException();

4) Suppose you have a text file with many three-line records of city name (as a String), latitude (as a double), and longitude (as a double). For example: Blacksburg 37.2294444 -80.4141667 Falls Church 38.8822222 -77.1713889 For the sake of this question, you may safely assume the data is well-formed and entirely valid. You've already constructed a Scanner called "input" with this data file, and you want to populate an ArrayList collection. City is a class with a constructor that takes a name, latitude, and longitude, such as: City city = new City("Blacksburg", 37.2294444, -80.4141667); Fill in the blanks below:

List cityList = new ________________ ; while (input.hasNextLine()) { String name = ______________________ ; double latitude = _______________________ ; ; double longitude = _________; cityList.add(new City(name, latitude, longitude)); }

5)Suppose you want to format a double variable for output with a total of 8 right-justified characters to the left of the decimal (with no leading zeroes) and 3 characters to the right of the decimal. For example: 12345678.999 or 123.000 What is the format specifier to use for the printf() method, as in: System.out.printf(" _______________ ", value);