![]() ![]() This was a tutorial about the FileNotFoundException in Java. Important: For those developers that use an IDE to implement their Java applications, the relative path for every file must be specified starting from the level where the src directory of the project resides. If the message of the exception claims that the specified file is a directory, then you must either alter the name of the file or delete the existing directory (if the directory is not being used by an application).If the message of the exception claims that permission is denied then, you must first check if the permissions of the file are correct and second, if the file is currently being used by another application.If the message of the exception claims that there is no such file or directory, then you must verify that the specified is correct and actually points to a file or directory that exists in your system. ![]() How to deal with the java.io.filenotfoundexception Java.io.FileNotFoundException: input.txt (Permission denied)įinally, the aforementioned exception can occur when the requested file exists, but it is already opened by another application. If the file exists, but it doesn’t have the appropriate permissions for writing, the following exception is thrown: An IOException was caught! Java.io.FileNotFoundException: input.txt (Is a directory)Īt java.io.FileOutputStream.open(Native Method)Īt java.io.FileOutputStream.(FileOutputStream.java:221)Īt java.io.FileWriter.(FileWriter.java:107)Īt _v2.main(FileNotFoundExceptionExample_v2.java:16)Įxception in thread "main" Īt _v2.main(FileNotFoundExceptionExample_v2.java:28) Public void itemStateChanged( the file exists and is a directory, the following exception is thrown: An IOException was caught! this is where the program will act upon the user selections retrieving the interest rates from the file setting the default layout manager and adding everything to the container SetDefaultCloseOperation(JFrame.EXIT_ON_CLOSE) setting up the frame and frame characteristics JCheckBox tICheck = new JCheckBox("Check to select term and interest together") JCheckBox seperateCheck = new JCheckBox("Check to select term and interest seperately") JScrollPane futureInfo = new JScrollPane(future) JTextArea future = new JTextArea (180, 40) ![]() JLabel heading = new JLabel ("Payment | Loan Balance | Interest Paid") JButton calculate = new JButton("Calculate") JComboBox interest = new JComboBox(interestArray) JComboBox term = new JComboBox(termsArray) JComboBox tI = new JComboBox(termsInterestArray) Public class MortgageFrame5 extends JFrame implements ItemListener, ActionListener, Runnable įile interestRate = new File("interestRate.txt") įileInputStream fileStream = new FileInputStream(interestRate) īufferedReader stream = new BufferedReader(new InputStreamReader(fileStream)) Import java.awt.* //importing the swing functions like the combo box ofEntries are the static factory methods of java. All the information you need on Strings and any other Java controls can be found in the Java API Documentation. Import javax.swing.* //importing the ability to create and use a frame IIRC, class Pi should be public class Pi. I have not changed any of the code in the area of the line that is giving me the problem (JComboBox interest = new JComboBox(interestArray). ![]() I have worked out all the other bugs and now understand where they came from, but this one is a little baffeling to me. I am getting this erro when I compile my code. ![]()
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