package udacityAdvanced;

import java.util.List;

import java.util.Objects;

public class Student {

private int score;

private List<Student> students;

public Student(int score) {

this.score = score;

}

public Student(List<Student> students) {

this.students = students;

}

public int getScore() {

return score;

}

public int imperativeTopScore(List<Student> students) {

int topScore = 0;

for (Student s : students) {

if (s == null) continue;

topScore = Math.max (topScore, s.getScore());

}

System.out.println(topScore);

return topScore;

}

// OR

public int functionalTopScore(List<Student> students) {

return students.stream()

.filter(Objects::nonNull)

.mapToInt(Student::getScore)

.max()

.orElse(0);

}

}