// Fig. 14.24: CreateRandomFile.java
// Creates random-access file by writing 100 empty records to disk.
import java.io.IOException;
import java.io.RandomAccessFile;
import com.deitel.jhtp6.ch14.RandomAccessAccountRecord;
public class CreateRandomFile
{
private static final int NUMBER_RECORDS = 100;
// enable user to select file to open
public void createFile()
{
RandomAccessFile file = null;
try // open file for reading and writing
{
file = new RandomAccessFile( "clients.dat", "rw" );
RandomAccessAccountRecord blankRecord =
new RandomAccessAccountRecord();
// write 100 blank records
for ( int count = 0; count < NUMBER_RECORDS; count++ )
blankRecord.write( file );
// display message that file was created
System.out.println( "Created file clients.dat." );
System.exit( 0 ); // terminate program
} // end try
catch ( IOException ioException )
{
System.err.println( "Error processing file." );
System.exit( 1 );
} // end catch
finally
{
try
{
if ( file != null )
file.close(); // close file
} // end try
catch ( IOException ioException )
{
System.err.println( "Error closing file." );
System.exit( 1 );
} // end catch
} // end finally
} // end method createFile
} // end class CreateRandomFile
/*************************************************************************
* (C) Copyright 1992-2005 by Deitel & Associates, Inc. and *
* Pearson Education, Inc. All Rights Reserved. *
* *
* DISCLAIMER: The authors and publisher of this book have used their *
* best efforts in preparing the book. These efforts include the *
* development, research, and testing of the theories and programs *
* to determine their effectiveness. The authors and publisher make *
* no warranty of any kind, expressed or implied, with regard to these *
* programs or to the documentation contained in these books. The authors *
* and publisher shall not be liable in any event for incidental or *
* consequential damages in connection with, or arising out of, the *
* furnishing, performance, or use of these programs. *
*************************************************************************/