Student extends Man

package test;

public class Man {

    protected String name;
    protected int age;

    public Man(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    @Override
    public String toString() {
        return "Man{" +
                "name='" + name + '\'' +
                ", age=" + age +
                '}';
    }
}

class Student extends Man {

    private String course;

    public Student(String name, int age, String course) {
        super(name, age);
        this.course = course;
    }

    @Override
    public String toString() {
        return "Student{" +
                "name='" + name + '\'' +
                ", age=" + age +
                ", course='" + course + '\'' +
                '}';
    }
}

class Main {

    /**
     * Man{name='Alpha', age=45}
     * Student{name='Bravo', age=20, course='Physics'}
     */
    public static void main(String[] args) {
        Man man = new Man("Alpha", 45);
        Student student = new Student("Bravo", 20, "Physics");

        System.out.println(man);
        System.out.println(student);
    }
}