19. FileNotFoundException example

• A method that catches two types of exceptions and uses a finally clause

  
      public static String readFirstLine( String path )
      {
          RandomAccessFile in = null;
          try
          {
              in = new RandomAccessFile( path, "r" );
                                   // may throw FileNotFound
              String line = in.readLine();  
                                   // may throw IOException
              return line;
          }
          catch ( FileNotFoundException ex )
          {
              System.out.println( "File not found" );
              return null;
          }
          catch ( IOException ex )
          {
              System.out.println( "I/O error occurred" );
              return null;
          }
          finally
          {
              try
              {
                  if ( in != null )
                      in.close();      // may throw IOException
              }
              catch ( Exception ex )
              {
                  System.out.println( "Unable to close file." );
              }
          }
      }