600: Mainline

Now, you can write the following movie-reading program, which captures movie names, ratings, and poster files, if any:

import java.io.*; 
import java.util.*; 
public class Demonstrate { 
 public static void main(String argv[]) throws IOException { 
  Vector mainVector; 
  mainVector = Auxiliaries.readMovieFile("input.data");    
  for (Iterator i = mainVector.iterator(); i.hasNext();) {  
   System.out.println(((Movie) i.next()).rating());  
  }  
 } 
} 

import java.io.*;
import java.util.*;
public class Auxiliaries {
 public static Vector readMovieFile(String fileName) throws IOException {
  FileInputStream stream = new FileInputStream(fileName);
  InputStreamReader reader = new InputStreamReader(stream);
  StreamTokenizer tokens = new StreamTokenizer(reader);
  tokens.quoteChar((int) '"');                          
  tokens.eolIsSignificant(true);                        
  Vector v = new Vector();  
  while (tokens.nextToken() != tokens.TT_EOF) { 
   String nameString = tokens.sval; 
   tokens.nextToken(); int x = (int) tokens.nval; 
   tokens.nextToken(); int y = (int) tokens.nval; 
   tokens.nextToken(); int z = (int) tokens.nval; 
   Movie m = (new Movie(x, y, z)); 
   m.title = nameString; 
   if (tokens.nextToken() == tokens.TT_EOL) {} 
   else {m.poster = tokens.sval; tokens.nextToken();} 
   v.addElement(m); 
  } 
  stream.close();  
  return v; 
 } 
}