Java End Term: 28 April 2024 (January 2024 term)

11 class ClassOne{
22     public void methodOne(){
33         // ...
44     }
55     public void methodTwo(){
66         // ...
77         methodOne();
88         // ...
99     }
1010 }
1111 class ClassTwo{
1212     public static void methodThree(){
1313         // ...
1414         ClassOne c = new ClassOne();
1515         c.methodTwo();
1616         // ...
1717     }
1818     public static void main(String[] args) {
1919         // ...
2020         methodThree();
2121     }
2222 }

1class Product {
2    private String productName;
3    public Product(String pn) {
4        productName = pn;
5    }
6    public Product(Product p) {
7        this.productName = p.productName;
8    }
9    public void setProductName(String pn) {
10        productName = pn;
11    }
12    public String getProductName() {
13        return productName;
14    }
15}
16public class InventoryTest {
17    public static void main(String[] args) {
18        Product p1 = new Product("Laptop");
19        Product p2 = new Product(p1);
20        Product p3 = p1;
21        p1.setProductName("Smartphone");
22        System.out.println(p1.getProductName());
23        System.out.println(p2.getProductName());
24        System.out.println(p3.getProductName());
25    }
26}

1class Shape {
2    public void draw() {
3        System.out.println("Drawing a generic shape.");
4    }
5    public void area() {
6        System.out.println("Calculating area of the shape.");
7    }
8}
9class Circle extends Shape {
10    public void draw() {
11        System.out.println("Drawing a circle.");
12    }
13}
14class Square extends Shape {
15    public void draw() {
16        System.out.println("Drawing a square.");
17   }
18}
19public class ShapeApp {
20    static void describe(Shape sh) {
21        sh.draw();
22        sh.area();
23    }
24    public static void main(String[] args) {
25        Shape circle = new Circle();
26        Shape square = new Square();
27        describe(circle);
28        describe(square);
29    }
30}