Java source code examples

Change file or directory permission using java

The setReadOnly, setWritable,setReadable and setExecutable methods of the file class is used for changing the permissions on a file.

import java.io.File;
/**
 * File class examples.
 * Performs different permission operations on a file or directory.
 */
public class FileExample  {
	public static void main(String[] args){
		// Create file object representing the source file/directory
		File file = new File("d:\\temp\\test.txt");

		// Given below are the different file permissions
		// operations that can be performed on java.

		// Make the file or directory as executable
		file.setExecutable(true);

		// Make the file or directory as read only
		file.setReadOnly();

		// Make the file as writable.
		file.setWritable(true);

		// Give read permission to the file or directory
		file.setReadable(true);
	}
}