fileinputoutputexample.java

java2 primer plus一书源程序

import java.io.InputStream;
import java.io.OutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;

public class FileInputOutputExample
{
   public static void main( String[] args ) {
      try {
         InputStream is = new FileInputStream( "in.txt" );
         OutputStream os = new FileOutputStream( "out.txt" );
         int c;
         while( ( c = is.read() ) != -1 ) {
	    System.out.print( ( char )c );
	    os.write( c );
         }
         is.close();
         os.close();
      }
      catch( Exception e ) {
         e.printStackTrace();
      }
   }
}