![]() ![]() ("File size in bytes " + myObj.length()) Returning the length of the file in bytes Displaying whether the file is readable or not Displaying whether the file is writable ("Absolute path: " + myObj.getAbsolutePath()) Import java.io.File // Import the File class Let’s see how to get file information using various methods with the help of below example code package FileHandling Having understood this, let’s see how to get File information. Let’s check the output on executing the above code: If there is an error, then it gets handled in the catch block. In the above code, a file named NewFilef1 gets created in the specified location. Import the IOException class to handle errorsįile myObj = new File("D:FileHandlingNewFilef1.txt") Let’s see an example of how to create a file in Java. This method returns true if the file was successfully created, and false if the file already exists. In this case, to create a file you can use the createNewFile() method. Now, let’s get into the details of each of these operations 1. File Operations in Javaīasically, you can perform four operations on a file. Let’s now understand what are the various file operations in Java and how to perform them. Returns an array of the files in the directory Returns the absolute pathname of the file It tests whether the file is writable or not It tests whether the file is readable or not Java File Methodsīelow table depicts the various methods that are used for performing operations on Java files. Now that you know what is a stream, let’s dive deeper into this article on File Handling in Java and know the various methods that are useful for operations on the files like creating, reading and writing. Processing of input data with character is called the file handling process with a character stream. Character StreamĬharacter Stream is a stream which incorporates with characters. ![]() When an input is provided and executed with byte data, then it is called the file handling process with a byte stream. In Java, Stream is a sequence of data which can be of two types. So let’s now understand what is a Stream in Java. Java uses the concept of a stream to make I/O operations on a file. In order to use the File class, you need to create an object of the class and specify the filename or directory name. In this article, I will tell you what are the various file operations in Java.īelow topics are covered in this article:įile handling in Java implies reading from and writing data to a file. The File class from the java.io package, allows us to work with different formats of files. File Handling is necessary to perform various tasks on a file, such as read, write, etc. One such functionality is File Handling in Java. Java being one of the most popular programming languages provides extensive support to various functionalities like database, sockets, etc. ![]()
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