public class Association<T> {
    private T element;
    private int frequency;


    public Association(T e, int f) {
        this.element = e;
        this.frequency = f;
    }

    public void setElement(T e) {
        this.element = e;
    }

    public T getElement() {
        return this.element;
    }

    public void setFrequency(int f) {
        this.frequency = f;
    }

    public int getFrequency() {
        return this.frequency;
    }

    @Override
    public String toString() {
        return "[" + this.element + ", " + this.frequency + "]";
    }
}