package ru.project.search; import ru.project.student.Student; public class AverageGradeRangeCriteria implements StudentSearchCriteria { private final double min; private final double max; public AverageGradeRangeCriteria(double min, double max) { if (min > max) { throw new IllegalArgumentException("Min grade must be <= max grade"); } this.min = min; this.max = max; } @Override public boolean matches(Student student) { double grade = student.getAverageGrade(); return grade >= min && grade <= max; } }