How do I fix a file not found exception?

How do I fix a file not found exception?

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 my Scanner in java is not working?

The reason for your problem is that following the preceding nextInt() , you’re still on the same line, and nextLine() returns the rest of the current line. That is, nextLine() did not block for your input, because the current line still has an empty string remaining.

Why am I getting file not found exception in java?

FileNotFoundException is another exception class available in the 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.

Can Scanner read file java?

Reading a file with Scanner Scanner class can be used to read file in Java.

What is class not found exception in java?

ClassNotFoundException is a checked exception which occurs when an application tries to load a class through its fully-qualified name and can not find its definition on the classpath. This occurs mainly when trying to load classes using Class. forName(), ClassLoader. loadClass() or ClassLoader.

What is FileInputStream in java?

A FileInputStream obtains input bytes from a file in a file system. What files are available depends on the host environment. FileInputStream is meant for reading streams of raw bytes such as image data. For reading streams of characters, consider using FileReader .

What does .nextLine do in Java?

The nextLine() method of the java. util. Scanner class scans from the current position until it finds a line separator delimiter. The method returns the String from the current position to the end of the line.

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.

What is meant by printStackTrace in Java?

The printStackTrace() method in Java is a tool used to handle exceptions and errors. It is a method of Java’s throwable class which prints the throwable along with other details like the line number and class name where the exception occurred. printStackTrace() is very useful in diagnosing exceptions.

What is Scanner in Java?

Scanner is a class in java. util package used for obtaining the input of the primitive types like int, double, etc. and strings. It is the easiest way to read input in a Java program, though not very efficient if you want an input method for scenarios where time is a constraint like in competitive programming.

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