JMenuItem newMenuItem, openMenuItem, saveMenuItem, exitMenuItem įileMenu.getAccessibleContext().setAccessibleDescription( Public class JTextEditor implements ActionListener java that looks like this with comments organized the way I want them: Is there anyway to keep the formatting the same? While((line = reader.readLine()) != null) reads an input file and displays it in the text areaīufferedReader reader = new BufferedReader(new InputStreamReader(file))
JAVA CREATE NEW FILE MENU CODE
The actual code is ok but the comments always get messed up. java file into a JTextArea and no matter what method I use to read in the file the formatting is never preserved. Should data remain in the buffer when the program terminates, you may loose that data.I'm trying to read a. Most systems close any data files when a program terminates. As soon as your program is finished accessing the file, the file should be closed. Try to save the data to the file in the same manner that you would display it on the screen.Ĭlosing the file writes any data remaining in the streamīuffer to the file, releases the file from the program, and updates the file directory to reflect the file's new size. The data must be separated with space characters (white space, commas) or end-of-line characters (carriage return), or the data will run together in the file and be unreadable. Write data to the file through the stream: If a program dealing with file access is not working properly, it is often hard to determine if the problem is within the program or if the problem is within the file access.ĥ. Establish the stream that PrintWriter will use:ģ. Create a handle to the file by passing the name of the file to a File object:Ģ.
Steps to create (or write to) a sequential access file:ġ. You can code a "finished" message to the console to let you know the file was created, but you will not actually "see" the file. To see if your file was successfully created, you must view the text file itself. When creating a file, nothing will appear in the console window.
Println(String value): a method of PrintWriter which sends the characters from the String to the output stream, followed by "new line" separator. Print(String value): a method of PrintWriter which sends the characters from the String to the output stream. This will complete the file, making it available for use by your program or other programs. Since PrintWriter throws a FileNotFoundException.īe sure to close the stream when the program is finished sending data. Requires: import java.io.* When creating a new file, if a file of the same name already exists, the pre-existing file will be erased and replaced with the new file. PrintWriter sends values of any type to a text file (by way of a stream) using print() and println() methods. When creating files, we will be using the class PrintWriter which prints formatted representations of objects to a text-output stream. If using MSWord to create the file, be sure to save it as a plain text file. A text editor can be used to view, or create, a file.
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