FactorizationList.java

//Grupo 2.3

public class FactorizationList extends SimpleLinkedList<PrimeFactor>{

    private Integer number;
    private Integer multiplicity;

    public FactorizationList(Integer number) {
        this.number = number;
        this.multiplicity = 0;
    }

    public void calculate() {
        Integer n = number;
        for (int i = 2; i <= n / i; i++) {
            while (n % i == 0) {
                if (this.size() == 0) {
                    this.addFirst(new PrimeFactor(i,1));
                    multiplicity = 1;
                }
                else {
                    if (this.getFirst().getBase() == i) {
                        this.getFirst().incrementExponent();
                        multiplicity++;
                    }
                    else {
                        this.addLast(new PrimeFactor(i,1));
                    }
                }
                n = n / i;
            }
        }

        if (n >= 1) {
            this.addLast(new PrimeFactor(n,1));
            if (multiplicity == 0) multiplicity = 1;
        }
    }

    @Override
    public String toString() {
        String stringFromSuper = super.toString();
        return stringFromSuper.replaceAll(", ", " x ");
    }

    public Integer getMultiplicity() {
        return multiplicity;
    }

    public void printResult() {
        calculate();
        System.out.print("\nLa factorización del número " + number + " es ");
        System.out.println(this.toString());
        System.out.println("La multiplicidad es " + multiplicity);
    }
}