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Aprenda Desafio: Sobrecarga de Métodos | Essenciais de Poo
C# Além do Básico

bookDesafio: Sobrecarga de Métodos

Neste exercício prático, você recebe uma classe ShippingCalculator com um método chamado CalculateShippingCost. O método deve ser sobrecarregado para suportar diferentes cenários de custos de envio com base no peso e no destino.

Sua tarefa é preencher corretamente os espaços em branco (___) para completar os cálculos no método CalculateShippingCost tanto para envios locais quanto internacionais.

index.cs

index.cs

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using System; public class ShippingCalculator { // Method to calculate shipping cost for local shipments public double CalculateShippingCost(double weight) { // Local shipments have a fixed rate of $5 per kilogram return weight * ___; } // Method to calculate shipping cost for international shipments // It has two parameters 'weight' and an additional 'destinationCountry' which is of type 'string' ___ { // International shipments have a base rate of $10 per kilogram // Additional $3 per kilogram for shipments to Canada // Additional $5 per kilogram for shipments to other countries double baseRate = ___; double additionalRate = destinationCountry.ToLower() == "canada" ? ___ : ___; return weight * (baseRate + additionalRate); } } class ConsoleApp { static void Main() { ShippingCalculator calculator = new ShippingCalculator(); // Test local shipment double localCost = calculator.CalculateShippingCost(2); Console.WriteLine($"Local Shipment Cost: ${localCost}"); // Test international shipment to Canada double internationalToCanadaCost = calculator.CalculateShippingCost(2, "Canada"); Console.WriteLine($"International Shipment to Canada Cost: ${internationalToCanadaCost}"); // Test international shipment to other countries double internationalToOtherCost = calculator.CalculateShippingCost(2, "Germany"); Console.WriteLine($"International Shipment to Other Country Cost: ${internationalToOtherCost}"); } }

É necessário sobrecarregar o método CalculateShippingCost. Portanto, o novo método deve ter o mesmo nome, mas parâmetros diferentes. Os parâmetros necessários estão indicados nos comentários.

index.cs

index.cs

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using System; public class ShippingCalculator { // Method to calculate shipping cost for local shipments public double CalculateShippingCost(double weight) { // Local shipments have a fixed rate of $5 per kilogram return weight * 5; } // Method to calculate shipping cost for international shipments // It has two parameters 'weight' and an additional 'destinationCountry' which is of type 'string' public double CalculateShippingCost(double weight, string destinationCountry) { // International shipments have a base rate of $10 per kilogram // Additional $3 per kilogram for shipments to Canada // Additional $5 per kilogram for shipments to other countries double baseRate = 10; double additionalRate = destinationCountry.ToLower() == "canada" ? 3 : 5; return weight * (baseRate + additionalRate); } } class ConsoleApp { static void Main() { ShippingCalculator calculator = new ShippingCalculator(); // Test local shipment double localCost = calculator.CalculateShippingCost(2); Console.WriteLine($"Local Shipment Cost: ${localCost}"); // Test international shipment to Canada double internationalToCanadaCost = calculator.CalculateShippingCost(2, "Canada"); Console.WriteLine($"International Shipment to Canada Cost: ${internationalToCanadaCost}"); // Test international shipment to other countries double internationalToOtherCost = calculator.CalculateShippingCost(2, "Germany"); Console.WriteLine($"International Shipment to Other Country Cost: ${internationalToOtherCost}"); } }
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Seção 4. Capítulo 8

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bookDesafio: Sobrecarga de Métodos

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Neste exercício prático, você recebe uma classe ShippingCalculator com um método chamado CalculateShippingCost. O método deve ser sobrecarregado para suportar diferentes cenários de custos de envio com base no peso e no destino.

Sua tarefa é preencher corretamente os espaços em branco (___) para completar os cálculos no método CalculateShippingCost tanto para envios locais quanto internacionais.

index.cs

index.cs

copy
1234567891011121314151617181920212223242526272829303132333435363738394041424344
using System; public class ShippingCalculator { // Method to calculate shipping cost for local shipments public double CalculateShippingCost(double weight) { // Local shipments have a fixed rate of $5 per kilogram return weight * ___; } // Method to calculate shipping cost for international shipments // It has two parameters 'weight' and an additional 'destinationCountry' which is of type 'string' ___ { // International shipments have a base rate of $10 per kilogram // Additional $3 per kilogram for shipments to Canada // Additional $5 per kilogram for shipments to other countries double baseRate = ___; double additionalRate = destinationCountry.ToLower() == "canada" ? ___ : ___; return weight * (baseRate + additionalRate); } } class ConsoleApp { static void Main() { ShippingCalculator calculator = new ShippingCalculator(); // Test local shipment double localCost = calculator.CalculateShippingCost(2); Console.WriteLine($"Local Shipment Cost: ${localCost}"); // Test international shipment to Canada double internationalToCanadaCost = calculator.CalculateShippingCost(2, "Canada"); Console.WriteLine($"International Shipment to Canada Cost: ${internationalToCanadaCost}"); // Test international shipment to other countries double internationalToOtherCost = calculator.CalculateShippingCost(2, "Germany"); Console.WriteLine($"International Shipment to Other Country Cost: ${internationalToOtherCost}"); } }

É necessário sobrecarregar o método CalculateShippingCost. Portanto, o novo método deve ter o mesmo nome, mas parâmetros diferentes. Os parâmetros necessários estão indicados nos comentários.

index.cs

index.cs

copy
1234567891011121314151617181920212223242526272829303132333435363738394041424344
using System; public class ShippingCalculator { // Method to calculate shipping cost for local shipments public double CalculateShippingCost(double weight) { // Local shipments have a fixed rate of $5 per kilogram return weight * 5; } // Method to calculate shipping cost for international shipments // It has two parameters 'weight' and an additional 'destinationCountry' which is of type 'string' public double CalculateShippingCost(double weight, string destinationCountry) { // International shipments have a base rate of $10 per kilogram // Additional $3 per kilogram for shipments to Canada // Additional $5 per kilogram for shipments to other countries double baseRate = 10; double additionalRate = destinationCountry.ToLower() == "canada" ? 3 : 5; return weight * (baseRate + additionalRate); } } class ConsoleApp { static void Main() { ShippingCalculator calculator = new ShippingCalculator(); // Test local shipment double localCost = calculator.CalculateShippingCost(2); Console.WriteLine($"Local Shipment Cost: ${localCost}"); // Test international shipment to Canada double internationalToCanadaCost = calculator.CalculateShippingCost(2, "Canada"); Console.WriteLine($"International Shipment to Canada Cost: ${internationalToCanadaCost}"); // Test international shipment to other countries double internationalToOtherCost = calculator.CalculateShippingCost(2, "Germany"); Console.WriteLine($"International Shipment to Other Country Cost: ${internationalToOtherCost}"); } }
Tudo estava claro?

Como podemos melhorá-lo?

Obrigado pelo seu feedback!

Seção 4. Capítulo 8
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