Main.java

package work5;

/**
 * Головний клас для запуску демонстрації.
 */
public class Main {
    public static void main(String[] args) {

        System.out.println("============== ЗАВДАННЯ 1: VISITOR (Мережа) ==============");

        Server server1 = new Server("Main Server", 5000);
        Workstation pc1 = new Workstation("PC-01", 800);
        Workstation pc2 = new Workstation("PC-02", 850);
        Cable cable1 = new Cable(100, 1.5);
        Cable cable2 = new Cable(50, 1.5);

        Network subNetwork = new Network();
        subNetwork.addElement(pc2);
        subNetwork.addElement(cable2);

        Network mainNetwork = new Network();
        mainNetwork.addElement(server1);
        mainNetwork.addElement(pc1);
        mainNetwork.addElement(cable1);
        mainNetwork.addElement(subNetwork);

        CostCalculatorVisitor costVisitor = new CostCalculatorVisitor();

        System.out.println("Початок розрахунку кошторису...");
        mainNetwork.accept(costVisitor);

        System.out.println("--------------------------------------------");
        System.out.println("Загальна вартість мережі: " + costVisitor.getTotalCost());


        System.out.println("\n\n============== ЗАВДАННЯ 2: STATE (Графічний редактор) ==============");

        ToolState pen = new Pen();
        ToolState brush = new Brush();
        ToolState eraser = new Eraser();
        ToolState fill = new Fill();

        Canvas canvas = new Canvas(pen);

        canvas.click();
        canvas.drag();

        canvas.setTool(brush);
        canvas.click();
        canvas.drag();

        canvas.setTool(eraser);
        canvas.drag();

        canvas.setTool(fill);
        canvas.click();
        canvas.drag();
    }
}