How do I fix java IO FileNotFoundException?

How do I fix java IO FileNotFoundException?

4 Answers

1. Specify an absolute filename.
2. Copy the file to your working directory.
3. Change the working directory to src.
4. Specify a relative filename, having worked out where the working directory is.
5. Include it as a resource instead, and load it using Class. getResourceAsStream.

Why am I getting a FileNotFoundException?

This exception is thrown during a failed attempt to open the file denoted by a specified pathname. Also, this exception can be thrown when an application tries to open a file for writing, but the file is read-only, or the permissions of the file do not allow the file to be read by any application.

What does java IO FileNotFoundException mean?

java.io.FileNotFoundException. Signals that an attempt to open the file denoted by a specified pathname has failed. This exception will be thrown by the FileInputStream , FileOutputStream , and RandomAccessFile constructors when a file with the specified pathname does not exist.

How do I deal with FileNotFoundException?

Just throw the exception to the caller. This way, the caller has to handle it. This is the cleanest way of working with it. Remark: You should know that instantiating a File object will never throw an Exception.

How do I write FileNotFoundException?

FileNotFoundException(String str) It constructs a FileNotFoundException and set the error detail message str, which we pass to the constructor. Syntax: The syntax of the FileNotFoundException is as follows: public FileNotFoundException(String str)

Is FileNotFoundException checked or unchecked?

checked exception
FileNotFoundException is a checked exception in Java. Anytime, we want to read a file from the filesystem, Java forces us to handle an error situation where the file may not be present in the place. In the above example, you will get compile-time error with the message – Unhandled exception type FileNotFoundException .

What cases are in FileNotFoundException?

FileNotFoundException is thrown by constructors of FileInputStream, FileOutputStream, RandomAccessFile when file is not found on specified path. Exception can also be raised when file is inaccessible for some reason. For example: When you do not have proper permissions to read the files.

Can we use FileNotFoundException and IOException in Java multi catch?

Multiple Catch Blocks The fact that FileNotFoundException is a subclass of IOException gives us the choice of either treating all IOExceptions the same, or catch some of IOExceptions subclasses individually, as is done in the code example above.

Is FileNotFoundException a RuntimeException?

FileNotFoundException occurs at runtime so it is a checked exception, we can handle this exception by java code, and we have to take care of the code so that this exception doesn’t occur.

What type of exception is FileNotFoundException?

FileNotFoundException is another exception class available in the java.io package. The exception occurs when we try to access that file which is not available in the system. It is a checked exception because it occurs at run time, not compile-time, and it is thrown by one of the following constructors: RandomAccessFile.

What is the difference between IOException and FileNotFoundException?

Yes, as the javadoc shows it, FileNotFoundException is a subclass of IOException . If you really want FileNotFoundException , you must catch only this execption, otherwise catching IOException will also catch any exception subclassing it, like FileNotFoundException any many others.