May 23, 2019 · Java.io.RandomAccessFile Class provides a way to random access files using reading and writing operations. It works like an array of byte storted in the File. extends Object. implements DataOutput, DataInput, Closeable. Methods of RandomAccessFile Class : read () : java.io.RandomAccessFile.read () reads byte of data from file.

Creates a random access file stream to read from, and optionally to write to, a file with the specified name. A new FileDescriptor object is created to represent the connection to the file. The mode argument specifies the access mode with which the file is to be opened.

Mar 26, 2025 · This class is used for reading and writing to random access file. A random access file behaves like a large array of bytes. There is a cursor implied to the array called file pointer, by moving the cursor we do the read write operations. If end-of-file is reached before the desired number of byte has been read than EOFException is thrown. It is ...

Feb 6, 2025 · Using random access file class, we can change the location in the file at which the next read or write operation will occur. RandomAccessFile class was added in Java 1.0 version. It is present in java.io.RandonAccessFile package.

Java RandomAccessFile - Learn how to use the RandomAccessFile class in Java to read and write data to files at random access points. Explore examples and key features.

Random access files permit nonsequential, or random, access to a file's contents. To access a file randomly, you open the file, seek a particular location, and read from or write to that file. This functionality is possible with the SeekableByteChannel interface.

Oct 10, 2022 · RandomAccessFile in java is a class that lets the user read and write to a file at the same time. It extends the Object class and implements DataInput and DataOutput interfaces. These interfaces facilitate the conversion of primitive type data to a sequence of bytes and bytes to specified type data.

Aug 3, 2022 · Java RandomAccessFile provides the facility to read and write data to a file. RandomAccessFile works with file as large array of bytes stored in the file system and a cursor using which we can move the file pointer position. RandomAccessFile class is part of Java IO.

Jul 28, 2019 · In this Java File IO tutorial, you’ll learn how to use random access file in Java, using the RandomAccessFile class in the java.io package. Let’s see why you need random access file first. 1. Benefits of Using Random Access File.

Jan 17, 2025 · The RandomAccessFile in Java is a pre-defined class that belongs to java.io package which allows the programmers to work with random access files. While moving the file pointer, if end of file is reached, it throws an EOFException.