import java.util.Scanner;

public class Exam12Practice {

   public static void main(String[] args)
   {
      Scanner input=new Scanner(System.in);
      String words="";
      System.out.println("enter a word");
      while(input.hasNext())
      {
         words = words.concat(input.next());
      }

      System.out.println(words);
   }
}

Type in your words
Press Enter
Press CTRL-Z (^D on *nix systems)