以下是使用JavaTuples从Java中的Ennead类实现Decade类的示例-
import org.javatuples.Decade;
import org.javatuples.Ennead;
public class MyDemo {
   public static void main(String[] args) {
      Ennead<String, String, String, String, String, String, String, String, String> e =
         Ennead.with("Katie", "Tom","Ryan", "Tom","Bradley", "David","Steve", "Brad", "Jacob");
      System.out.println("Ennead elements= " + e);
      Decade<String, String, String, String, String, String, String, String, String, String> decade = e.add("Amy");
      System.out.println("Decade elements (implemented from Ennead) = " + decade);
   }
}输出结果
Ennead elements= [Katie, Tom, Ryan, Tom, Bradley, David, Steve, Brad, Jacob] Decade elements (implemented from Ennead) = [Katie, Tom, Ryan, Tom, Bradley, David, Steve, Brad, Jacob, Amy]
现在让我们看看另一个示例,其中我们正在使用addAt1()方法。这会在位置2 nd处添加一个元素。这也实现了Ennead的Decade类-
import org.javatuples.Decade;
import org.javatuples.Ennead;
public class MyDemo {
   public static void main(String[] args) {
      Ennead<String, String, String, String, String, String, String, String, String> e =
         Ennead.with("Katie", "Tom","Ryan", "Tom","Bradley", "David","Steve", "Brad", "Jacob");
      System.out.println("Ennead elements= " + e);
      Decade<String, String, String, String, String, String, String, String, String, String>decade = e.addAt1("Amy");
      System.out.println("Decade elements (implemented from Ennead) = " + decade);
   }
}输出结果
Ennead elements= [Katie, Tom, Ryan, Tom, Bradley, David, Steve, Brad, Jacob] Decade elements (implemented from Ennead) = [Katie, Amy, Tom, Ryan, Tom, Bradley, David, Steve, Brad, Jacob]