Person class

public class Person {

    public Double open; //openess
    public Double consc; //Conscientiousness
    public Double extrav; //extraversion
    public Double agree; //agreeableness
    public Double neuro; // neuroticism

    //get value
    public double getOpen(){
        return open;
    }

    public double getConsc(){
        return consc;
    }

    public double getExtrav(){
        return extrav;
    }

    public double getAgree(){
        return agree;
    }

    public double getNeuro(){
        return neuro;
    }


    //set to parameter value
    public void setOpen(double modifier){
        open = modifier;
    }

    public void setConsc(double modifier){
        consc = modifier;
    }

    public void setExtrav(double modifier){
        extrav = modifier;
    }

    public void setAgree(double modifier){
        agree = modifier;
    }

    public void setNeuro(double modifier){
        neuro = modifier;
    }


    //subtract parameter value
    public void minusOpen(double modifier){
        open -= modifier;
    }

    public void minusConsc(double modifier){
        consc -= modifier;
    }

    public void minusExtrav(double modifier){
        extrav -= modifier;
    }

    public void minusAgree(double modifier){
        agree -= modifier;
    }

    public void minusNeuro(double modifier){
        neuro -= modifier;
    }


    //add parameter value
    public void addOpen(double modifier){
        open += modifier;
    }

    public void addConsc(double modifier){
        consc += modifier;
    }

    public void addExtrav(double modifier){
        extrav += modifier;
    }

    public void addAgree(double modifier){
        agree += modifier;
    }

    public void addNeuro(double modifier){
        neuro += modifier;
    }

}