import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;

public class Nummer14{
	public static void main(String[] args) {
		File text = new File("Fahrzeug.txt");

		Nummer14Auto auto = new Nummer14Auto("Grün", 4, true);
		Nummer14Fahrrad fahrrad = new Nummer14Fahrrad("Pink", 2, true);

	    save(text, auto, fahrrad);

	    read(text);

	    updateAuto(text, fahrrad, auto, "Blau", 4, false);

	    read(text);

	    deleteFahrrad(text, auto);

	    read(text);

	}
	public static void save(File text, Nummer14Auto auto, Nummer14Fahrrad fahrrad){
		try {
			FileWriter writer;
			writer = new FileWriter(text);
			writer.write(auto.toString() + "\n" + fahrrad.toString());

			writer.flush();
			writer.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	public static void read(File text){
		if(text.exists()){
			try {
				Scanner sc = new Scanner(text);

				while(sc.hasNext()){
					System.out.print(sc.next() + " ");
				}

				sc.close();

			} catch (FileNotFoundException e1) {
				e1.printStackTrace();
			}
			System.out.println();
			}
	}
	public static void updateAuto(File text, Nummer14Fahrrad fahrrad, Nummer14Auto auto, String farbe, int räder, boolean benzin){
		auto.setFarbe(farbe);
		auto.setAnzahlDerRaeder(räder);
		auto.setBenzin(benzin);
		save(text, auto, fahrrad);
	}
	public static void updateFahrrad(File text, Nummer14Auto auto, Nummer14Fahrrad fahrrad ,String farbe, int räder, boolean rennrad){
		fahrrad.setFarbe(farbe);
		fahrrad.setAnzahlDerRaeder(räder);
		fahrrad.setRennrad(rennrad);
		save(text, auto, fahrrad);
	}
	public static void deleteAuto(File text, Nummer14Fahrrad fahrrad){
		try {
			FileWriter writer;
			writer = new FileWriter(text);
			writer.write(fahrrad.toString());

			writer.flush();
			writer.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	public static void deleteFahrrad(File text, Nummer14Auto auto){
		try {
			FileWriter writer;
			writer = new FileWriter(text);
			writer.write(auto.toString());

			writer.flush();
			writer.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}