File IO

File Locking can be achieved in java by making use of the New I/O API (nio). Before the advent of New I/O API, there was no direct support in Java for locking a file. It is important to understand that File locking is hugely dependent on the native operating system on which the program is …

File Upload and Download is always a handy utility to know. There will be some need to upload a file to an FTP server, Like if you generate a report or store some data in .xls file, then it needs to be uploaded to a FTP server for further use. like wise we need to …

In this technical tip, let us see an easy way of achieving file copy using File Channels. File Channels are part of Java New I/O Packages. A file can be viewed as a sequence of bytes. The various Buffer classes in New I/O Packages serve as a container for manipulating the primitive byte contents. It …

In this techincal tip, let us see how to access the contents of a file randomly instead of the traditional sequential access. Imagine that we want to search for a particular record in a file. If we prefer Sequential access in this case, then it will involve traversing over the file byte by byte and …

In this section, let us see how to recursively traverse over files and folders by making use of Java File API. Whether it is a folder or a file, both are represented as a java.io.File object. For example, consider the following code snippet, also read: Java Tutorials Java EE Tutorials Design Patterns Tutorials Java File …