CanCode lesson homework (Units 5, 9, 10)

Homework page

public class Student {
    // private attributes
    private String name;
    private int age;
    
    // public attributes
    public String major;
    
    // private method
    private void setAge(int age) {
        if (age > 0) {
            this.age = age;
        }
    }
    
    // public methods
    public void setNameAndAge(String name, int age) {
        this.name = name;
        setAge(age);
    }
    
    public String getNameAndAge() {
        return name + " (" + age + ")";
    }

    public static void main(String[] args) {
        Student student1 = new Student();
        person1.setNameAndAge("Jack", 19);
        person1.major = "Biology";
        System.out.println("Person 1: " + person1.getNameAndAge() + ", " + person1.major);
    }
}

class Vehicle {
    // methods and attributes
    private String name;

    public Vehicle(String name){
        this.name = name;
    }

    public String getName(){
        return name;
    }
    
    public void honk() {
        System.out.println("Honk");
    }

}

class Car extends Vehicle {
    // methods and attributes
    public Car(String name){
        super(name);
    }

    public static void main(String[] args) {
      // new car object
      Car myCar = new Car("Tesla");
      // Calling method
      myCar.honk();

      System.out.println(myCar.getName());
    }

}

// hack 4 recursion

public class Fibonacci {
    public static int fibonacci(int n) {
        if (n <= 1) {
            return n;
        } else {
            return fibonacci(n-1) + fibonacci(n-2);
        }
    }
    
    public static void main(String[] args) {
        int n = 10;
        for (int i = 0; i < n; i++) {
            System.out.print(fibonacci(i) + " ");
        }
    }
}