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205 lines
5.4 KiB
205 lines
5.4 KiB
package LernProgramm;
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import java.util.Random;
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import java.util.Scanner;
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public class FunktionenAusgelagert {
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//Funktionen, die von der main Funktion ausgelagert wurden, da sonts zu unüberscihtlich
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//1
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public static void Karteikarten() {
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try (Scanner input = new Scanner(System.in)) {
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String[][] karteikarten = { { "Was ist die Hauptstadt von Deutschland?", "Berlin" },
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{ "Welches ist der größtes Planet in unserem Sonnensystem?", "Jupiter" },
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{ "Wer hat die Mona Lisa gemalt?", "Leonardo da Vinci" },
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{ "Wer ist der Bundeskanzler von Deutschland?", "Olaf Scholz" },
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// Sonstige Fragen
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};
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int counter = 0;
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for (String[] karteikarte : karteikarten) {
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System.out.println(karteikarte[0]);
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String answer = input.nextLine();
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if (answer.equalsIgnoreCase(karteikarte[1])) {
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System.out.println("Korrekt!");
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counter++;
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} else {
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System.out.println("Leider falsch. Die richtige Antwort wäre: " + karteikarte[1]);
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}
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}
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System.out.println("Dein Punktestand ist " + counter + " von insgesamt " + karteikarten.length);
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}
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}
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//2
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public static void Fakultaet() {
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try (Scanner scanner3 = new Scanner(System.in)) {
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String numbera = scanner3.nextLine();
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int number = Integer.parseInt(numbera);
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if (number <= 0) {
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System.out.println("1");
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}
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int result = 1;
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for (int i = 1; i <= number; i++) {
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result *= i;
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}
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System.out.println(result);
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} catch (NumberFormatException e) {
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e.printStackTrace();
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}
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}
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//3
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public static void schaltjahr() {
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System.out.println("Welches Jahr möchtest du untersuchen?");
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try (Scanner scanner2 = new Scanner(System.in)) {
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String jahr = scanner2.nextLine();
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int jahr1 = Integer.parseInt(jahr);
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if (jahr1 % 400 == 0)
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System.out.println("Schaltjahr!");
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else if (jahr1 % 100 == 0)
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System.out.println("Kein Schaltjahr!");
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else if (jahr1 % 4 == 0)
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System.out.println("Schaltjahr!");
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else
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System.out.println("Kein Schaltjahr!");
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} catch (NumberFormatException e) {
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e.printStackTrace();
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}
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}
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//4
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public static void Quizz() {
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Random rand = new Random();
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try (Scanner scanner = new Scanner(System.in)) {
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String[][] questions = {
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{ "Welche Farbe hat ein Bananen?", "A) Gelb", "B) Grün", "C) Blau", "D) Rot", "A" },
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{ "Wie viele Beine hat eine Spinne?", "A) 4", "B) 6", "C) 8", "D) 10", "C" },
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{ "Wer hat die Formel E=mc² entwickelt?", "A) Isaac Newton", "B) Albert Einstein",
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"C) Galileo Galilei", "D) Stephen Hawking", "B" },
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{ "Welches ist der größte Planet im Sonnensystem?", "A) Merkur", "B) Venus", "C) Erde",
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"D) Jupiter", "D" }
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// Sonstige Fragen
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};
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int questionIndex = rand.nextInt(questions.length);
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String[] currentQuestion = questions[questionIndex];
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System.out.println(currentQuestion[0]);
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System.out.println(currentQuestion[1]);
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System.out.println(currentQuestion[2]);
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System.out.println(currentQuestion[3]);
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System.out.println(currentQuestion[4]);
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String answer = scanner.nextLine();
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if (answer.equalsIgnoreCase(currentQuestion[5])) {
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System.out.println("Richtig!");
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} else {
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System.out.println("Falsch!");
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}
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}
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}
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//5
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public static void Binaerrechner() {
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try (Scanner scanner = new Scanner(System.in)) {
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System.out.print("Gebe den ersten Binärcode ein: ");
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String binaryCode1 = scanner.nextLine();
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System.out.print("Gebe den zweiten Binärcode ein: ");
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String binaryCode2 = scanner.nextLine();
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System.out.print("Gebe die gewünschte Operation ein (+, -, *, /): ");
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char operation = scanner.next().charAt(0);
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int result = calculate(binaryCode1, binaryCode2, operation);
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System.out.println("Das Ergebnis ist: " + result);
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}
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}
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public static int calculate(String binaryCode1, String binaryCode2, char operation) {
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int decimal1 = binaryToDecimal(binaryCode1);
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int decimal2 = binaryToDecimal(binaryCode2);
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int result = 0;
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switch (operation) {
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case '+':
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result = decimal1 + decimal2;
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break;
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case '-':
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result = decimal1 - decimal2;
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break;
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case '*':
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result = decimal1 * decimal2;
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break;
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case '/':
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result = decimal1 / decimal2;
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break;
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default:
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System.out.println("Ungültige Operation! Bitte wähle +, -, * oder /.");
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return 0;
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}
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return decimalToBinary(result);
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}
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public static int binaryToDecimal(String binaryCode) {
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int decimal = 0;
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for (int i = binaryCode.length() - 1; i >= 0; i--) {
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char currentChar = binaryCode.charAt(i);
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if (currentChar == '1') {
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decimal += Math.pow(2, binaryCode.length() - i - 1);
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} else if (currentChar != '0') {
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System.out.println("Ungültiger Binärcode! Bitte gebe nur Nullen und Einsen ein.");
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return 0;
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}
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}
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return decimal;
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}
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public static int decimalToBinary(int decimal) {
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int binary = 0;
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int power = 0;
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while (decimal > 0) {
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binary += (decimal % 2) * (int) Math.pow(10, power);
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decimal /= 2;
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power++;
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}
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return binary;
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}
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//6
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public static void PrimBis100() {
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for (int i = 2; i <= 100; i++) {
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boolean isPrime = true;
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for (int j = 2; j < i; j++) {
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if (i % j == 0) {
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isPrime = false;
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break;
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}
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}
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if (isPrime) {
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System.out.print(i + " ");
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}
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}
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}
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public static void EasterEgg() {
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System.out.println(" _______");
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System.out.println(" / \\");
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System.out.println(" ( 0 0 )");
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System.out.println(" \\ --- /");
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System.out.println(" ------");
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}
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}
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