Java to build a file of a specific size

FileBuilder.java

import java.io.*;


public class FileBuilder {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
	          try {
	               RandomAccessFile f = new RandomAccessFile("25.txt", "rw");
	               
	               f.setLength(26214400); //bytes
	          } catch (Exception e) {
	               System.err.println(e);
	          }

	}

}