FInanzplanung

class Geldanlage {
    public int t0, t_ende;
    public double B, z;
    public Geldanlage(int t_0, int tende, double b, double Z){
        t0 = t_0;
        t_ende = tende;
        B = b;
        z = Z;
    }
    public double auszahlung(int t) {
        double a;
        if (t == t0) {
            a = -B;
        } else if (t == t_ende){
            a = B * Math.pow((1+z),(t_ende - t0));
        } else{
            a = 0;
        }
        return a;
    }
}

public class Finanzplanung {
    public static void main(String[] args) {
        double[] b = new double[4];
        Geldanlage[] portfolio = new Geldanlage[3];
        portfolio[0] = new Geldanlage(2,5,100,0.03);
        portfolio[1] = new Geldanlage(4,8,200,0.025);
        portfolio[2] = new Geldanlage(6,9,150,0.017);
        for (int i = 1; i<=10; i++) {
            for (int j = 0; j<3; j++) {
                b[j] = portfolio[j].auszahlung(i);
            }
            b[3] = b[0] + b[1] + b[2];
            System.out.println("Jahr = " + i + ", Summe der Auszahlungen = " + b[3]);
        }
    }
}