When used in a search, the NOR operator finds files that contain the first term but excludes files containing the second term
Indicate whether the statement is true or false
FALSE
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_____ built into the Windows operating system can check a hard drive for errors and optimize it.
A. ?Backup and recovery programs B. ?File management utilities C. ?Disk management utilities D. ?Security programs
When creating CSS layouts, it can be helpful to temporarily assign background colors to each div so that you can see how the divs are being positioned on the page.
Answer the following statement true (T) or false (F)
An expression containing both integer and floating-point values is called a double-precision expression.
Answer the following statement true (T) or false (F)
Create an application that allows a user to reserve a car for the specified day (Fig. 25.52). The car reservation company can rent out only four cars per day. Let the application allow the user to specify a certain day. If four cars have already been reserved for that day, then indicate to the user that no vehicles are available. Reserva- tions are stored in reservations.txt.
a) Copying the template to your working directory. Copy the directory C:Examples Tutorial25ExercisesCarReservation to your C:SimplyJava directory.
b) Opening the template file. Open the CarReservation.java file in your text editor. c) Declaring a BufferedReader and a PrintWriter instance variable. At line 24,
declare two instance variables—a BufferedReader object named input, which will
be used to read from a file, and a PrintWriter object named output, which will be used to write to a file.
d) Opening a file to read from. In the reserveCarJButtonActionPerformed method (which immediately follows createUserInterface), create a new File object reserveFile for the file reservations.txt. Then, add a try block. Inside the try block, create a FileReader by passing the reserveFile to its constructor . Use this FileReader to initialize BufferedReader input.
e) Retrieving the selected date. For this application, you should store in reserva- tions.txt the date selected