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105 lines
2.4 KiB
105 lines
2.4 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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public static void PrimBis100() {
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for (int i = 2; i <= 100; i++) {
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boolean istPrimZahl = true;
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for (int j = 2; j < i; j++) {
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if (i % j == 0) {
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istPrimZahl = false;
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break;
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}
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}
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if (istPrimZahl) {
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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 Binaerrechner() {
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try (Scanner scannerBR = new Scanner(System.in)) {
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System.out.print("Gebe den ersten Binärcode ein: ");
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String binaerCode1 = scannerBR.nextLine();
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System.out.print("Gebe den zweiten Binärcode ein: ");
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String binaerCode2 = scannerBR.nextLine();
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System.out.print("Gebe die gewünschte Operation ein (+, -, *, /): ");
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char operation = scannerBR.next().charAt(0);
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int ergebnisBR = calculate(binaerCode1, binaerCode2, operation);
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System.out.println("Das Ergebnis ist: " + ergebnisBR);
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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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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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