abstract class AbstractClass {
  abstract public void primitiveOperation1();
  abstract public void primitiveOperation2();

  public void templateMethod() {
    System.out.println("AbstractClass templateMethod()メソッド");

    primitiveOperation1();
    primitiveOperation2();
  }
}

public class ConcreteClass extends AbstractClass {
  public void primitiveOperation1() {
    System.out.println("ConcreteClass primitiveOperation1()メソッド");
  }

  public void primitiveOperation2() {
    System.out.println("ConcreteClass primitiveOperation2()メソッド");
  }
}

public class Client {
  public static void main(String[] args) {
    ConcreteClass c = new ConcreteClass();
    c.templateMethod();
  }
}

C:\JavaHello\Template Method>java Client
AbstractClass templateMethod()メソッド
ConcreteClass primitiveOperation1()メソッド
ConcreteClass primitiveOperation2()メソッド

C:\JavaHello\Template Method>