import java.io.*; public class RandomAccessFile_ManipulateAfterClose_1 { public static void main(String[] args) throws FileNotFoundException, IOException { File file = File.createTempFile("tmp", ".tmp"); RandomAccessFile raf = new RandomAccessFile(file, "rw"); raf.writeByte(100); raf.close(); // A closed random access file cannot perform input or output operations. raf.writeByte(101); } }