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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.");

    }

}

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Simple Calculator Using Abstraction in C++

Simple Calculator Using Abstraction in C++

 

Program Listing

#include <iostream>

// Abstract class for calculator operations

class Operation {

public:

    virtual double calculate(double a, double b) = 0;

};

// Concrete subclasses for each operation

class Addition : public Operation {

public:

    double calculate(double a, double b) override {

        return a + b;

    }

};

class Subtraction : public Operation {

public:

    double calculate(double a, double b) override {

        return a - b;

    }

};

class Multiplication : public Operation {

public:

    double calculate(double a, double b) override {

        return a * b;

    }

};

class Division : public Operation {

public:

    double calculate(double a, double b) override {

        if (b == 0) {

            std::cerr << "Error: Division by zero is not allowed." << std::endl;

            return 0; // Return 0 as an error value

        }

        return a / b;

    }

};

int main() {

    double num1, num2;

    char operation;

    std::cout <<"\n\n\tSimple Calculator Using Abstraction in C++\n";

    std::cout << "\n\tGive two numbers: ";

    std::cin >> num1 >> num2;

    std::cout << "\tEnter the operation (+, -, *, /): ";

    std::cin >> operation;

    Operation* op = nullptr;

    switch (operation) {

        case '+':

            op = new Addition();

            break;

        case '-':

            op = new Subtraction();

            break;

        case '*':

            op = new Multiplication();

            break;

        case '/':

            op = new Division();

            break;

        default:

            std::cerr << "\tError: Invalid operation." << std::endl;

            return 1;

    }

    double result = op->calculate(num1, num2);

    std::cout << "\n\tThe Result: " << result << std::endl;

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

    delete op;

    return 0;

}

Empower Your Business with My IT Consulting Services!

Empower Your Business with My IT Consulting Services!

 

Empower Your Business with My IT Consulting Services!

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Feel free to personalize it further to highlight specific achievements, client successes, or industry expertise that set you apart! You may contact me here in the Philippines at

my mobile number 09173084360 and my email address at

jakerpomperada@gmail.com

Dr. Jake R. Pomperada,MAED-IT,MIT, PHD-TM

Freelance IT Consultant

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