Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.Arrays;
import java.util.List;
import java.util.function.Consumer;

public class Main {
    public static void main(String[] args) {
        List<Student> students = Arrays.asList(new Student(1, 3, "John"), new Student(2, 4, "Jane"),
                new Student(3, 3, "Jack"));

        Consumer<Student> raiser = e -> {
            e.gpa = e.gpa * 1.1;
        };

        raiseStudents(students, System.out::println);
        raiseStudents(students, raiser.andThen(System.out::println));
    }

    private static void raiseStudents(List<Student> employees, Consumer<Student> fx) {
        for (Student e : employees) {
            fx.accept(e);
        }
    }

}

class Student {
    public int id;
    public double gpa;
    public String name;

    Student(int id, long g, String name) {
        this.id = id;
        this.gpa = g;
        this.name = name;
    }

    @Override
    public String toString() {
        return id + ">" + name + ": " + gpa;
    }
}