Exam 11: Inputoutput and Exception Handling

Consider the following code snippet: Scanner in = new Scanner(. . .); While (in.hasNextInt()) { ) . . } Under which condition will the body of the while loop be processed?

Consider the following code snippet. PrintWriter outputFile = new PrintWriter("payrollReport.txt"); Which of the following statements about the PrintWriter object is correct?

When reading words using a Scanner object's next method, ____.

Select an expression to complete the program segment below, which is designed to read data from a file whose name is specified as the first command line argument. If no command line arguments are given, the program reads data from the default.txt file. String fileName = "default.txt"; If ( ________________________ ) { FileName = args[0]; } // additional statements to open file and read data

Which of the following statements about command line arguments is correct?

Consider the following code snippet: public void readFile(String filename) throws FileNotFoundException { File inFile = new File(filename); Scanner in = new Scanner(inFile); ) . . } If the file cannot be located, which of the following statements about this code is correct?

Select an expression to complete the following statement, which is designed to construct a PrintWriter object to write the program output to a file named dataout.txt PrintWriter theFile = _______________________;

Consider the following code snippet: PrintWriter out = new PrintWriter("output.txt"); Which of the following statements about the PrintWriter object is correct?

Consider the following code snippet: Scanner in = new Scanner(. . .); In)useDelimiter("[^0-9A-Za-z]+"); What characters will be ignored and not read in using this code?