import java.io.*;

/**
 * This class illustrates how to read in from a file using a
 * BufferedReader. BufferedReaders are used to efficiently read
 * from a large file.
 * 
 * @author alchambers
 * @version sp18
 */
public class MoreFileIO{
    
    /**
     * Uses a BufferedReader and a FileReader to read in from a file. 
     * Prints the contents of the file to the console.
     * 
     * @param filename The name of the file to be read
     */
    private static void readWithBufferedReader(String filename){
        try{
            System.out.println("Here are the contents of the file:");
            FileReader file = new FileReader(filename);
            BufferedReader in = new BufferedReader(file);
            String line = in.readLine();

            // The readLine() method returns null if there is nothing to read
            while(line != null){   
                System.out.println(line);
                line = in.readLine();
            }
            in.close();
        }
        catch(IOException e){
            e.printStackTrace();
        }

        System.out.println("We recovered from the exception");
        System.out.println("The program is still running!");

    }
    
    public static void main(String[] args){
        //readWithBufferedReader("BlowinWind.txt");
        readWithBufferedReader("non existent file");
    }
}