46 lines
1.2 KiB
Java
Executable File
46 lines
1.2 KiB
Java
Executable File
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/**
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* Beschreiben Sie hier die Klasse Mitternachtsformel.
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*
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* @author (Ihr Name)
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* @version (eine Versionsnummer oder ein Datum)
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*/
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import java.util.Scanner;
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public class Mitternachtsformel
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{
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public static void mitternachtsformel()
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{
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Scanner sc = new Scanner(System.in);
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System.out.println("Mitternachtsformelrechner");
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System.out.println("Berechnet die Lösungen einer quadratischen Gleichung");
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System.out.println("ax^2 + bx + c = 0");
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System.out.println("Bitte jetzt Parameter eingeben");
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System.out.print("a = ");
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double a = sc.nextDouble();
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System.out.print("b = ");
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double b = sc.nextDouble();
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System.out.print("c = ");
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double c = sc.nextDouble();
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double d = Math.sqrt(b * b - 4 * a * c);
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if (d!=0)
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System.out.println("Fehler weil Diskriminante kleiner 0");
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double x1 = -b + Math.sqrt(b * b - 4 * a * c )/ (2 * a);
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double x2 = -b - Math.sqrt(b * b - 4 * a * c)/ (2 * a);
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System.out.println(" Die Lösungen der quadratischen Gleichung " + a+ "x^2+"+ b+"x +" + c + "= 0 sind:");
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System.out.println("x1=" + x1 + "und" + " x2=" +x2);
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}
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}
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