Scanner next method... wtf?

Question

Code:import java.io.*;
import java.util.*;
public class Test
     public static void main(String[] args)
          File file = new File("prob.in");
          Scanner scan = null;
          try{
               scan = new Scanner(file);
          }catch(FileNotFoundException e){}
          ArrayList<Character> arr = new ArrayList<Character>();
          String[] keys = new String[10];
          keys[0] = "0";
          keys[1] = "@.?1";
          keys[2] = "ABC2";
          keys[3] = "DEF3";
          keys[4] = "GHI4";
          keys[5] = "JKL5";
          keys[6] = "MNO6";
          keys[7] = "PQRS7";
          keys[8] = "TUV8";
          keys[9] = "WXYZ9";
          String strtest = scan.next();
          System.out.print(strtest);
}Make prob.in whatever you want, it doesn't matter, I just want to get a string from the first line of it. But when I try to run it I get a NullPointerException on line 25. Why is this?

Answer 1

Ya, but even if it doesn't do anything there, I'll
eventually get a NullPointerException down the line.What do you mean? Why do you think that? What does that have to do with anything?
I figured out my problem. I just recently started
using eclipse instead of JCreator, and I forgot to
put the file in the project folder. But I was
wondering, how can you get the whole line without it
stopping on the spaces. For example, my prob file
says 4433 555 555 666* 9666 777 555 3* 222 9992
#555 8888777 *. When I use the next() method,
it only returns "4433". Is there a way for it to get
the whole line with the spaces, or am I going to have
to make some loop?Have you looked through Scanner's methods to see if one of them might help you?
Even if you find such a method though, how will it help? Are you going to process the whole line as a single piece? Or are you going to have to loop over its pieces anyway?