Beispielhaftes Java Programm zum Lösen von Aufgaben mithilfe des Satzes des Pythagoras.

pythagoras.java

package net.karatek.randomstuff;


public class pythagoras {

    public static void main(String[] args) {
        katheteb();
    }
    public static void hypothenuse() {
        String unit = "mm";
        double a = 5;
        double b = 4;
        double c;
        System.out.println("a = " + a + unit);
        System.out.println("b = " + b + unit);
        a = a * a;
        b = b * b;
        c = a + b;
        c = Math.sqrt(c);


        System.out.println("a * a = "  + a + unit);
        System.out.println("b * b = " + b + unit);

        System.out.println("c ist die Wurzel aus a * a + b * b");
        c = c * 100;
        c = Math.round(c);
        c = c / 100;
        System.out.println("c = " + c + unit);

        System.out.println(c + unit);

    }

    public static void katheteb() {
        String unit = "m";
        double a = 65;
        double b;
        double c = 97;
        System.out.println("a = " + a + unit);
        System.out.println("c = " + c + unit);
        a = a * a;
        c = c * c;
        b = c - a;
        b = Math.sqrt(b);

        System.out.println("a * a = "  + a + unit);
        System.out.println("c * c = " + c + unit);

        System.out.println("b ist die Differenz aus a*a und c*c.");
        b = b * 100;
        b = Math.round(b);
        b = b / 100;

        System.out.println("b = " + b + unit);

        System.out.println(b + unit);

    }

    public static void kathetea() {
        String unit = "km";
        double a;
        double b = 35;
        double c = 37;
        System.out.println("b = " + b + unit);
        System.out.println("c = " + c + unit);
        b = b * b;
        c = c * c;
        a = c - b;
        a = Math.sqrt(a);

        System.out.println("b * b = "  + b + unit);
        System.out.println("c * c = " + c + unit);

        System.out.println("b ist die Differenz aus b*b und c*c.");
        a = a * 100;
        a = Math.round(a);
        a = a / 100;

        System.out.println("a = " + a + unit);

        System.out.println(a + unit);

    }
}