TakeSpaces

import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.io.File;
import java.util.Scanner;

public class TakeSpaces {

    public static void main(String[] args) throws FileNotFoundException {
        File inputFile = new File("inputfile.txt");
        File outputFile = new File("outputfile.txt");
        Scanner keyboard = new Scanner(System.in);
        Scanner fileScan = new Scanner(inputFile);
        PrintWriter input = new PrintWriter(inputFile);
        PrintWriter output = new PrintWriter(outputFile);

        String keyInput = "";
        String hold1 = "";
        String hold2 = "";
        String hold3 = "";
        String hold4 = "";

        Scanner scanString = new Scanner(hold2);
        scanString.useDelimiter("");

        System.out.println("Type as many words or letters as you want and when you want to stop type a plus sign!");
        keyboard.useDelimiter("");
        hold1 = keyboard.next();

        while(!hold1.equals("+")){
            keyInput += hold1;
            hold1 = keyboard.next();
        }
        keyboard.close();

        input.write(keyInput);
        input.close();

        while(fileScan.hasNextLine()){
            hold3 = fileScan.nextLine();
            int lngth = hold3.length();
            int k = 0;

            while(k < lngth) {

                if(hold3.substring(k, k + 1).equals(" ")) {
                    k++;
                } else {
                    output.write(hold3.substring(k, k + 1));
                    k++;
                }

            }

        }

        output.close();

    }


}