Template pattern with abstract class : Template Pattern « Design Pattern « Java Tutorial

1. Java Tutorial
2. Design Pattern
3. Template Pattern

public class TestTemplate {
  public static void main(String args[]) {
    Car automotiveRobot = new Car("Automotive");

    Cooker cookieRobot = new Cooker("Cook");

    automotiveRobot.go();

    cookieRobot.go();
  }
}

class Cooker extends Machine {
  private String name;

  public Cooker(String n) {
    name = n;
  }

  public void getParts() {
    System.out.println("Getting a flour and sugar....");
  }

  public void assemble() {
    System.out.println("Baking a cookie....");
  }

  public void test() {
    System.out.println("Crunching a cookie....");
  }

  public String getName() {
    return name;
  }
}

class Car extends Machine {
  private String name;

  public Car(String n) {
    name = n;
  }

  public void getParts() {
    System.out.println("Getting a carburetor....");
  }

  public void assemble() {
    System.out.println("Installing the carburetor....");
  }

  public void test() {
    System.out.println("Revving the engine....");
  }

  public String getName() {
    return name;
  }
}

abstract class Machine {
  public final void go() {
    start();
    getParts();
    assemble();
    test();
    stop();
  }

  public void start() {
    System.out.println("Starting....");
  }

  public void getParts() {
    System.out.println("Getting parts....");
  }

  public void assemble() {
    System.out.println("Assembling....");
  }

  public void test() {
    System.out.println("Testing....");
  }

  public void stop() {
    System.out.println("Stopping....");
  }
}