Below are the methods to implement a Decade Class using Ennead Class in Java:

Using direct values

// Java program to illustrate
// implementing Decade Class
// from Ennead Class
// using direct values

import java.util.*;
import org.javatuples.*;

class Prutor {

public static void main(String[] args)
{
// Create Ennead
Ennead<String, String, String, String, String, String, String, String, String>
ennead = new Ennead<String, String, String, String, String, String, String, String, String>(
"Ennead", "Octet", "Septet", "Sextet", "Quintet", "Quartet", "Triplet", "Pair", "Unit");

// Print the Ennead
System.out.println("Ennead: " + ennead);

// Create Decade from Ennead
Decade<String, String, String, String, String, String, String, String, String, String>
decade = new Decade<String, String, String, String, String, String, String, String, String, String>(
"Decade",
ennead.getValue0(),
ennead.getValue1(),
ennead.getValue2(),
ennead.getValue3(),
ennead.getValue4(),
ennead.getValue5(),
ennead.getValue6(),
ennead.getValue7(),
ennead.getValue8());

// Print the Decade
System.out.println("Decade: " + decade);
}
}
Output:

Ennead: [Ennead, Octet, Septet, Sextet, Quintet, Quartet, Triplet, Pair, Unit]
Decade: [Decade, Ennead, Octet, Septet, Sextet, Quintet, Quartet, Triplet, Pair, Unit]
Using Ennead.add() method

// Java program to illustrate
// implementing Decade Class
// from Ennead Class
// using add() values

import java.util.*;
import org.javatuples.*;

class Prutor {
public static void main(String[] args)
{
// Create Ennead
Ennead<String, String, String, String, String, String, String, String, String>
ennead = new Ennead<String, String, String, String, String, String, String, String, String>(
"Ennead", "Octet", "Septet", "Sextet", "Quintet", "Quartet", "Triplet", "Pair", "Unit");

// Print the Ennead
System.out.println("Ennead: " + ennead);

// Create Decade from Ennead
Decade<String, String, String, String, String, String, String, String, String, String>
decade = ennead.add("Decade");

// Print the Decade
System.out.println("Decade: " + decade);
}
}
Output:

Ennead: [Ennead, Octet, Septet, Sextet, Quintet, Quartet, Triplet, Pair, Unit]
Decade: [Ennead, Octet, Septet, Sextet, Quintet, Quartet, Triplet, Pair, Unit, Decade]
Using Ennead.addAtX() method
Program 1: Adding at Position 0 using addAt0()

// Java program to illustrate
// implementing Decade Class
// from Ennead Class
// using addAt0() values

import java.util.*;
import org.javatuples.*

class Prutor {
public static void main(String[] args)
{
// Create Ennead
Ennead<String, String, String, String, String, String, String, String, String>
ennead = new Ennead<String, String, String, String, String, String, String, String, String>(
"Ennead", "Octet", "Septet", "Sextet", "Quintet", "Quartet", "Triplet", "Pair", "Unit");

// Print the Ennead
System.out.println("Ennead: " + ennead);

// Create Decade from Ennead
Decade<String, String, String, String, String, String, String, String, String, String>
decade = ennead.addAt0("Decade");

// Print the Decade
System.out.println("Decade: " + decade);
}
}
Output:

Ennead: [Ennead, Octet, Septet, Sextet, Quintet, Quartet, Triplet, Pair, Unit]
Decade: [Decade, Ennead, Octet, Septet, Sextet, Quintet, Quartet, Triplet, Pair, Unit]
Program 2: Adding at Position 1 using addAt1()

// Java program to illustrate
// implementing Decade Class
// from Ennead Class
// using add()At1

import java.util.*;
import org.javatuples.*;

class Prutor {
public static void main(String[] args)
{
// Create Ennead
Ennead<String, String, String, String, String, String, String, String, String>
ennead = new Ennead<String, String, String, String, String, String, String, String, String>(
"Ennead", "Octet", "Septet", "Sextet", "Quintet", "Quartet", "Triplet", "Pair", "Unit");

// Print the Ennead
System.out.println("Ennead: " + ennead);

// Create Decade from Ennead
Decade<String, String, String, String, String, String, String, String, String, String>
decade = ennead.addAt1("Decade");

// Print the Decade
System.out.println("Decade: " + decade);
}
}
Output:

Ennead: [Ennead, Octet, Septet, Sextet, Quintet, Quartet, Triplet, Pair, Unit]
Decade: [Ennead, Decade, Octet, Septet, Sextet, Quintet, Quartet, Triplet, Pair, Unit]
Program 3: Adding at Position 2 using addAt2()

// Below is a Java program to demonstrate
// use of addAt2() method with
// direct value

import java.util.*;
import org.javatuples.*

class Prutor {
public static void main(String[] args)
{
// Create Ennead
Ennead<String, String, String, String, String, String, String, String, String>
ennead = new Ennead<String, String, String, String, String, String, String, String, String>(
"Ennead", "Octet", "Septet", "Sextet", "Quintet", "Quartet", "Triplet", "Pair", "Unit");

// Print the Ennead
System.out.println("Ennead: " + ennead);

// Create Decade from Ennead
Decade<String, String, String, String, String, String, String, String, String, String>
decade = ennead.addAt2("Decade");

// Print the Decade
System.out.println("Decade: " + decade);
}
}
Output:

Ennead: [Ennead, Octet, Septet, Sextet, Quintet, Quartet, Triplet, Pair, Unit]
Decade: [Ennead, Octet, Decade, Septet, Sextet, Quintet, Quartet, Triplet, Pair, Unit]
Program 4: Adding at Position 3 using addAt3()

// Below is a Java program to demonstrate
// use of addAt3() method with
// direct value

import java.util.*;
import org.javatuples.*

class Prutor {
public static void main(String[] args)
{
// Create Ennead
Ennead<String, String, String, String, String, String, String, String, String>
ennead = new Ennead<String, String, String, String, String, String, String, String, String>(
"Ennead", "Octet", "Septet", "Sextet", "Quintet", "Quartet", "Triplet", "Pair", "Unit");

// Print the Ennead
System.out.println("Ennead: " + ennead);

// Create Decade from Ennead
Decade<String, String, String, String, String, String, String, String, String, String>
decade = ennead.addAt3("Decade");

// Print the Decade
System.out.println("Decade: " + decade);
}
}
Output:

Ennead: [Ennead, Octet, Septet, Sextet, Quintet, Quartet, Triplet, Pair, Unit]
Decade: [Ennead, Octet, Septet, Decade, Sextet, Quintet, Quartet, Triplet, Pair, Unit]
Program 5: Adding at Position 4 using addAt4()

// Below is a Java program to demonstrate
// use of addAt4() method with
// direct value

import java.util.*;
import org.javatuples.*

class Prutor {
public static void main(String[] args)
{
// Create Ennead
Ennead<String, String, String, String, String, String, String, String, String>
ennead = new Ennead<String, String, String, String, String, String, String, String, String>(
"Ennead", "Octet", "Septet", "Sextet", "Quintet", "Quartet", "Triplet", "Pair", "Unit");

// Print the Ennead
System.out.println("Ennead: " + ennead);

// Create Decade from Ennead
Decade<String, String, String, String, String, String, String, String, String, String>
decade = ennead.addAt4("Decade");

// Print the Decade
System.out.println("Decade: " + decade);
}
}
Output:

Ennead: [Ennead, Octet, Septet, Sextet, Quintet, Quartet, Triplet, Pair, Unit]
Decade: [Ennead, Octet, Septet, Sextet, Decade, Quintet, Quartet, Triplet, Pair, Unit]
Program 6: Adding at Position 5 using addAt5()

// Below is a Java program to demonstrate
// use of addAt5() method with
// direct value

import java.util.*;
import org.javatuples.*

class Prutor {
public static void main(String[] args)
{
// Create Ennead
Ennead<String, String, String, String, String, String, String, String, String>
ennead = new Ennead<String, String, String, String, String, String, String, String, String>(
"Ennead", "Octet", "Septet", "Sextet", "Quintet", "Quartet", "Triplet", "Pair", "Unit");

// Print the Ennead
System.out.println("Ennead: " + ennead);

// Create Decade from Ennead
Decade<String, String, String, String, String, String, String, String, String, String>
decade = ennead.addAt5("Decade");

// Print the Decade
System.out.println("Decade: " + decade);
}
}
Output:

Ennead: [Ennead, Octet, Septet, Sextet, Quintet, Quartet, Triplet, Pair, Unit]
Decade: [Ennead, Octet, Septet, Sextet, Quintet, Decade, Quartet, Triplet, Pair, Unit]
Program 7: Adding at Position 6 using addAt6()

// Below is a Java program to demonstrate
// use of addAt6() method with
// direct value

import java.util.*;
import org.javatuples.*

class Prutor {
public static void main(String[] args)
{
// Create Ennead
Ennead<String, String, String, String, String, String, String, String, String>
ennead = new Ennead<String, String, String, String, String, String, String, String, String>(
"Ennead", "Octet", "Septet", "Sextet", "Quintet", "Quartet", "Triplet", "Pair", "Unit");

// Print the Ennead
System.out.println("Ennead: " + ennead);

// Create Decade from Ennead
Decade<String, String, String, String, String, String, String, String, String, String>
decade = ennead.addAt6("Decade");

// Print the Decade
System.out.println("Decade: " + decade);
}
}
Output:

Ennead: [Ennead, Octet, Septet, Sextet, Quintet, Quartet, Triplet, Pair, Unit]
Decade: [Ennead, Octet, Septet, Sextet, Quintet, Quartet, Decade, Triplet, Pair, Unit]
Program 8: Adding at Position 7 using addAt7()

// Below is a Java program to demonstrate
// use of addAt7() method with
// direct value

import java.util.*;
import org.javatuples.*

class Prutor {
public static void main(String[] args)
{
// Create Ennead
Ennead<String, String, String, String, String, String, String, String, String>
ennead = new Ennead<String, String, String, String, String, String, String, String, String>(
"Ennead", "Octet", "Septet", "Sextet", "Quintet", "Quartet", "Triplet", "Pair", "Unit");

// Print the Ennead
System.out.println("Ennead: " + ennead);

// Create Decade from Ennead
Decade<String, String, String, String, String, String, String, String, String, String>
decade = ennead.addAt7("Decade");

// Print the Decade
System.out.println("Decade: " + decade);
}
}
Output:

Ennead: [Ennead, Octet, Septet, Sextet, Quintet, Quartet, Triplet, Pair, Unit]
Decade: [Ennead, Octet, Septet, Sextet, Quintet, Quartet, Triplet, Decade, Pair, Unit]
Program 9: Adding at Position 8 using addAt8()

// Below is a Java program to demonstrate
// use of addAt8() method with
// direct value

import java.util.*;
import org.javatuples.*

class Prutor {
public static void main(String[] args)
{
// Create Ennead
Ennead<String, String, String, String, String, String, String, String, String>
ennead = new Ennead<String, String, String, String, String, String, String, String, String>(
"Ennead", "Octet", "Septet", "Sextet", "Quintet", "Quartet", "Triplet", "Pair", "Unit");

// Print the Ennead
System.out.println("Ennead: " + ennead);

// Create Decade from Ennead
Decade<String, String, String, String, String, String, String, String, String, String>
decade = ennead.addAt8("Decade");

// Print the Decade
System.out.println("Decade: " + decade);
}
}
Output:

Ennead: [Ennead, Octet, Septet, Sextet, Quintet, Quartet, Triplet, Pair, Unit]
Decade: [Ennead, Octet, Septet, Sextet, Quintet, Quartet, Triplet, Pair, Decade, Unit]
Program 10: Adding at Position 9 using addAt9()

// Below is a Java program to demonstrate
// use of addAt9() method with
// direct value

import java.util.*;
import org.javatuples.*

class Prutor {
public static void main(String[] args)
{
// Create Ennead
Ennead<String, String, String, String, String, String, String, String, String>
ennead = new Ennead<String, String, String, String, String, String, String, String, String>(
"Ennead", "Octet", "Septet", "Sextet", "Quintet", "Quartet", "Triplet", "Pair", "Unit");

// Print the Ennead
System.out.println("Ennead: " + ennead);

// Create Decade from Ennead
Decade<String, String, String, String, String, String, String, String, String, String>
decade = ennead.addAt9("Decade");

// Print the Decade
System.out.println("Decade: " + decade);
}
}
Output:

Ennead: [Ennead, Octet, Septet, Sextet, Quintet, Quartet, Triplet, Pair, Unit]
Decade: [Ennead, Octet, Septet, Sextet, Quintet, Quartet, Triplet, Pair, Unit, Decade]