Source Code

Session8.java

import java.util.*;

public class Session8 {
    public static void main(String[] args) {
        String myName = ""; // add your name
        System.out.println("Session 8" + " - " + myName);

        // Menu
        System.out.println("Menu");
        System.out.println("E1 - Example 1");
        System.out.println("Q  - Quit");

        // setup Scanner
        Scanner in = new Scanner(System.in);
        System.out.print("Choice: ");
        String choice = in.nextLine();

        // switch choices
        switch (choice) {
            case "E1":
                System.out.println("Example 1");
                example1();
                break;
            case "E2":
                System.out.println("Example 2");
                example2();
                break;
            case "E3":
                System.out.println("Example 3");
                example3();
                break;
            case "E4":
                System.out.println("Example 4");
                example4();
                break;
            case "E5":
                System.out.println("Example 5");
                example5();
                break;
            case "E6":
                System.out.println("Example 6");
                example6();
                break;
            case "E7":
                System.out.println("Example 7");
                example7();
                break;
            case "Q":
                System.out.println("Quitting..!");
                break;
            default:
                System.out.println("Invalid Choice");
        }
    }

    // example1 method
    public static void example1() {
        // Create Objects


        // Create an array of Felines


        // populate the array with Cat and Tiger objects


        // loop through array and call method


        // instanceOf Examples
        // is catty a Feline?


        // is tigris a Feline?


        // is felix a Cat?


    }

    // example2 method
    public static void example2() {
        // create a new Zoo

        // Adding different animals to the zoo

        // Displaying all animals in the zoo

    }

    // example3 method
    public static void example3() {
        // Create Object

    }

    // example4 method
    public static void example4() {
        // Create Object

    }
    // example5 method
    public static void example5() {
        // Create a Greeter

        // Create a MeanGreeter

    }
    // example6 method
    public static void example6() {
        // Create a Greeter

        // Create a MeanGreeter

    }
    // example7 method
    public static void example7() {


    }
}

Feline.java

// class header
public class Feline {
    // private instance variable
    

    // constructor
    

    // constructor
    

    // methods
    

}

Tiger.java

// class header
public class Tiger extends Feline {

    // methods



}

Cat.java

// class header
public class Cat extends Feline {

     // constructors
     


     // methods
     

}

Zoo.java

import java.util.*;

// Base class representing a generic Animal (IS-A relationship)
class Animal {
    // Method to make a generic animal sound
    public void makeSound() {
        System.out.println("Animals make sounds");
    }
}

// Subclass representing a Bear (IS-A Animal)
class Bear extends Animal {
    // Method specific to Bear
    public void growl() {
        System.out.println("Bears like to growl");
    }
}

// Subclass representing a Lion (IS-A Animal)
class Lion extends Animal {
    // Method specific to Lion
    public void roar() {
        System.out.println("Lions like to roar");
    }
}

// Subclass representing an Elephant (IS-A Animal)
class Elephant extends Animal {
    // Method specific to Elephant
    public void forage() {
        System.out.println("Elephants like to forage");
    }
}

// Zoo class HAS-A relationship with a list of animals
class Zoo {
    // Array to store Animal objects


    // Constructor to initialize the list of animals


    // Add an animal to the zoo


    // Method to display the sounds of all animals in the zoo

            // Check if the animal is a Bear


            // Check if the animal is a Lion

            // Check if the animal is an Elephant


}

MainCharacter.java

class CharacterBase {
    void action() {
        System.out.println("Ready to fight! ");
    }
}

class Warrior extends CharacterBase {
    public Warrior() {
        System.out.println("Equipped with sword! ");
        super.action();
    }
}

class Knight extends Warrior {
    public Knight() {
        System.out.println("For the kingdom!");
    }
}

public class MainCharacter {
    public static void main(String[] args) {
        Knight k = new Knight();
    }
}

Greeter.java

public class Greeter {
    // greet method no parameters


    // greet method with one parameter

}

MeanGreeter.java

public class MeanGreeter extends Greeter {
    @Override // Compiler will verify this actually overrides a method
    // greet method with no parameters


    
    // greet method with one parameter


}