This method is in a Scores class, that is set the class variable scores, but the scores is combination of its sub class, for example, scores = sub scores1 + sub scores2, sub1/sub2 is calculated by the subclasses of Scores.
public void setScores (double scores) {
this.scores = scores;
}
public void calculateScore(double sub1, double sub2) {
this.scores = (sub1 + sub2) /2;
}
is there method/design skills/practice to constraint the class can't alter the scores value (i.e run the setScores), after the calculateScore() just ran.
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