Session 21

Source Code

import java.util.*;

public class Session21 {
    public static void main(String[] args) {
        System.out.println("Session 21");

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

        // 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 "E8":
                System.out.println("Example 8");
                example8();
                break;

        }
    }
    // example1 method
    public static void example1() {

    }

    // example2 method
    public static void example2() {

    }

    // example3 method
    public static void example3() {
        // Create Rectangle object using parameterized constructor

    }

    // example4 method
    public static void example4() {
        // first book
       
        // second book
        
        // third book
        

    }
}

DefaultPerson.java

/**
 * The Defaulter class represents an entity with basic personal attributes including
 * name, age, financial status, and driving eligibility.
 */
public class DefaultPerson {

    // The name of the individual
    

    // The age of the individual
    

    // The amount of money the individual has
    

    // A flag indicating whether the individual is eligible to drive
    

    /**
     * Gets the name of the individual.
     *
     * @return The name of the individual.
     */
    
    

    /**
     * Gets the age of the individual.
     *
     * @return The age of the individual.
     */
    
            

    /**
     * Gets the amount of money the individual has.
     *
     * @return The amount of money of the individual.
     */
    
    

    /**
     * Determines if the individual is eligible to drive.
     *
     * @return True if the individual is eligible to drive, false otherwise.
     */
    
    
}

MyPhone.java

/**
 * The MyPhone class represents a phone with a model name and price.
 * It includes a default constructor to initialize the phone's attributes
 * with default values.
 */
public class MyPhone {
    /** The model of the phone. */
    

    /** The price of the phone. */
    

    /**
     * Default constructor initializes the phone's attributes.
     * The model is set to "Unnamed" and the price is set to 100.0.
     */
    

    /**
     * Gets the model of the phone.
     *
     * @return the model name of this phone
     */
        

    /**
     * Gets the price of the phone.
     *
     * @return the price of this phone
     */
    
    
}

Rectangle.java

/**
 * The Rectangle class represents a rectangle with a length and width.
 * It provides methods to calculate the area and perimeter of the rectangle.
 */
public class Rectangle {

    /** The length of the rectangle */
    

    /** The width of the rectangle */
    

    /**
     * Constructs a Rectangle with the specified length and width.
     *
     * @param length the length of the rectangle
     * @param width the width of the rectangle
     */
    

    /**
     * Calculates and returns the area of the rectangle.
     *
     * @return the area of the rectangle
     */
    

    /**
     * Calculates and returns the perimeter of the rectangle.
     *
     * @return the perimeter of the rectangle
     */
    

}

MyBook.java

/**
 * The MyBook class represents a book with a title and a number of pages.
 * It includes multiple constructors to demonstrate constructor overloading.
 */
public class MyBook {

    /** The title of the book */
    

    /** The number of pages in the book */
    

    /**
     * Constructs a MyBook object with a default title and zero pages.
     * The title is set to "Untitled".
     */
    

    /**
     * Constructs a MyBook object with a specified title
     * and zero pages.
     *
     * @param t the title of the book
     */
    

    /**
     * Constructs a MyBook object with a specified title
     * and number of pages.
     *
     * @param t the title of the book
     * @param p the number of pages in the book
     */
    


}