package oop;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class IO {
	static BufferedReader bufferReader = new BufferedReader(new InputStreamReader(System.in));
	public static String readString() throws IOException {

		return bufferReader.readLine();
	}


	public static int readInteger() throws IOException {

		String nummer = bufferReader.readLine();
		int nummer1 = Integer.parseInt(nummer.trim());
		return nummer1;
	}


	public static double readDouble() throws IOException {

		String nummer = bufferReader.readLine();
		double nummer1 = Double.parseDouble(nummer.trim());
		return nummer1;
	}


	public static boolean readBoolean() throws IOException {
		String answer = readString().trim();
		return answer.equalsIgnoreCase("j") ||
				answer.equalsIgnoreCase("ja") ||
				answer.equalsIgnoreCase("y") ||
				answer.equalsIgnoreCase("yes");

	}

	public static double[] readDoubleArray(int laenge) throws IOException {
		double[] zahlen = new double[laenge];
		for(int i = 0; i < zahlen.length; i++) {
			System.out.print("Wert " + (i + 1) + ": ");
			zahlen[i] = IO.readInteger();
		}
		return zahlen;
	}

	public static double[][] readDoubleArrayDouble(double laenge) throws IOException {
		double[][] zahlen = new double[(int) laenge][(int) laenge];
		for(int i = 0; i < zahlen.length; i++) {
			for (int j = 0; j < zahlen[i].length; j = j + 1) {
				System.out.print("Platz " + (i + 1) + ": ");
				zahlen[i][j] = IO.readDouble();
			}
		}
		return zahlen;
	}

	public static void writeDoubleArray(double[] readingNumbers) throws IOException {
		for(int i = 0; i < readingNumbers.length; i++) {
			System.out.println("Wert " + (i + 1) + ": " + readingNumbers[i]);
		}
	}

	public static int amount() throws IOException {
		System.out.print("Geben sie die Menge ihrer Zahlen an: ");
		int amount = IO.readInteger();
		System.out.println("Geben Sie ihre Zahlen ein: ");
		return amount;
	}

	public static double amountDouble() throws IOException {
		System.out.println("Geben Sie die Anzahl der Reihen ein: ");
		double amountDouble = IO.readDouble();
		System.out.println("Geben Sie die Anzahl der Plätze ein: ");
		return amountDouble;
	}

	public static int amountString() throws IOException {
		System.out.println("Wie viele Zeilen möchten Sie eingeben? ");
		int amountString = IO.readInteger();
		System.out.println("Geben Sie ihren Text ein: ");
		return amountString;
	}

	public static String[][] readStringArray(int zeile) throws IOException {
		String[][] text = new String[zeile][zeile];
		for (int i = 0; i < text.length; i++) {
			for (int j = 0; j < text[i].length; j = j + 1) {
				System.out.print("Zeile " + (i + 1) + ": ");
				text[i][j] = IO.readString();
			}
		}
		return text;
	}

}