public class GPAEvaluator {
	private double minGPA;
	public GPAEvaluator(double minGPA) {
		this.minGPA = minGPA;
	}
	public GPAEvaluator() {
		this(3.0);
	}
	public void evaluate(Application app) {
		app.accepted = minGPA <= app.gpa;
	}
}