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Animals Sound Using Polymorphism in C++

Animals Sound Using Polymorphism in C++

 

Program Listing

#include <iostream>

class Animal {

public:

    virtual void makeSound() {

        std::cout << "The animal makes a sound." << std::endl;

    }

};

class Dog : public Animal {

public:

    void makeSound() override {

        std::cout << "\tThe dog barks." << std::endl;

    }

};

class Snake : public Animal {

public:

    void makeSound() override {

        std::cout << "\tThe snake ssshh." << std::endl;

    }

};

class Cat : public Animal {

public:

    void makeSound() override {

        std::cout << "\tThe cat meows." << std::endl;

    }

};

int main() {

    Animal* animals[3];

    animals[0] = new Dog();

    animals[1] = new Cat();

    animals[2] = new Snake();

 std::cout <<"\n\n\tAnimals Sound Using Polymorphism in C++\n\n";

    for (int i = 0; i < 3; i++) {

        std::cout << "\tAnimal " << i + 1 << ": ";

        animals[i]->makeSound();

    }

    // Don't forget to delete the dynamically allocated objects to free memory.

    for (int i = 0; i < 3; i++) {

        delete animals[i];

    }

std::cout << "\n\tEnd of Program. Thank you for using this program." << std::endl;

    return 0;

}

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Student Records Using Encapsulation in Python

Student Records Using Encapsulation in Python

 Student Records Using Encapsulation in Python

                             Screenshot

Program Listing

class Student:

def __init__(self, student_name, student_age, student_grade):
self.name = student_name
self.age = student_age
self.grade = student_grade

def get_name(self):
return self.name

def get_age(self):
return self.age

def get_grade(self):
return self.grade

def set_name(self, student_name):
self.name = student_name

def set_age(self, student_age):
self.age = student_age

def set_grade(self, student_grade):
self.grade = student_grade


if __name__ == "__main__":
student = Student("Julianna Rae Pomperada", 16, 92)

print("\n\tStudent Records Using Encapsulation in Python")
print("\n\tDisplay Student Record\n")
print("\tStudent Name: " + student.get_name())
print("\tStudent Age: " + str(student.get_age()) + " years")
print("\tStudent Grade: " + str(student.get_grade()))

student.set_name("Jacob Samuel Pomperada")
student.set_age(18)
student.set_grade(88)

print("\n\tUpdated Student Record\n")
print("\tStudent Name: " + student.get_name())
print("\tStudent Age: " + str(student.get_age()) + " years old.")
print("\tStudent Grade: " + str(student.get_grade()))
print("\n\tEnd of Program. Thank you for using this program.")

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Addition and Subtraction of Two Numbers Using Polymorphism in JavaScript

 

Program Listing

const readline = require('readline');

class MathOperation {

    performOperation(a, b) {

        return 0; // Base class default implementation

    }

}

class Addition extends MathOperation {

    performOperation(a, b) {

        return a + b;

    }

}

class Subtraction extends MathOperation {

    performOperation(a, b) {

        return a - b;

    }

}

const rl = readline.createInterface({

    input: process.stdin,

    output: process.stdout

});

rl.question("\n\tEnter the first number: ", (num1) => {

    rl.question("\tEnter the second number: ", (num2) => {

        rl.question("\tEnter the operation (+ for addition, - for subtraction): ", (op) => {

            let operation;

            if (op === '+') {

                operation = new Addition();

            } else if (op === '-') {

                operation = new Subtraction();

            } else {

                console.log("\tInvalid operation.");

                rl.close();

                process.exit();

            }

            const result = operation.performOperation(parseInt(num1), parseInt(num2));

            console.log("\n\tThe Result:", result);

            rl.close();

            console.log("\n\tEnd of Program. Thank you for using this program.\n");

        });

    });

});

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Addition and Subtraction Using Polymorphism in Java

Addition and Subtraction Using Polymorphism in Java

 

Program Listing

import java.util.Scanner;

class MathOperation {

    public int performOperation(int a, int b) {

        return 0; // Base class default implementation

    }

}

class Addition extends MathOperation {

    @Override

    public int performOperation(int a, int b) {

        return a + b;

    }

}

class Subtraction extends MathOperation {

    @Override

    public int performOperation(int a, int b) {

        return a - b;

    }

}

public class Main {

    public static void main(String[] args) {

        MathOperation operation = null;

        int num1, num2;

        char op;

        Scanner scanner = new Scanner(System.in);

        System.out.println("\n\n\tAddition and Subtraction Using Polymorphism in Java\n");

        System.out.print("\tEnter two numbers: ");

        num1 = scanner.nextInt();

        num2 = scanner.nextInt();

        System.out.print("\tEnter the operation (+ for addition, - for subtraction): ");

        op = scanner.next().charAt(0);

        if (op == '+') {

            operation = new Addition();

        } else if (op == '-') {

            operation = new Subtraction();

        } else {

            System.out.println("\tInvalid operation.");

            return;

        }

        int result = operation.performOperation(num1, num2);

        System.out.println("\n\tThe Result: " + result);

        scanner.close();

        System.out.println("\n\tEnd of Program. Thank you for using this program.");

    }

}