Lernen Herausforderung: Rückgabewerte

Here operate is a method which is supposed to return true if a + b equals c. Fill in the blank to make the method behave accordingly.

main.cs


              12345678910111213141516171819
            
using System;

namespace ConsoleApp
{
    internal class Program
    {
        static __ operate(int a, int b, int c)
        {
            __;
        }

        static void Main(string[] args)
        {
            Console.WriteLine(operate(1, 2, 3));
            Console.WriteLine(operate(2, 4, 1));
            Console.WriteLine(operate(5, 10, 15));
        }
    }
}

We can write expressions directly in the return statement.
For-example, writing return a + b; is valid as it will first evaluate a + b and in-turn return the resultant value. Similarly, we can also directly write boolean expressions in the return values, as boolean expressions are expressions after all. Hence, writing return a > b; is also valid. Using this information, think of a way how you can write a boolean expression that returns true if the sum of a and b is greater than c.

main.cs


              12345678910111213141516171819
            
using System;

namespace ConsoleApp
{
    internal class Program
    {
        static bool operate(int a, int b, int c)
        {
            return (a + b) == c;
        }

        static void Main(string[] args)
        {
            Console.WriteLine(operate(1, 2, 3));
            Console.WriteLine(operate(2, 4, 1));
            Console.WriteLine(operate(5, 10, 15));
        }
    }
}

War alles klar?

Danke für Ihr Feedback!

Abschnitt 6. Kapitel 7

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Fragen Sie alles oder probieren Sie eine der vorgeschlagenen Fragen, um unser Gespräch zu beginnen

Suggested prompts:

What should the method return if the sum is not equal to c?

Can you show an example of how the method should be used?

Do you want the method to handle only integers or other types as well?

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Here operate is a method which is supposed to return true if a + b equals c. Fill in the blank to make the method behave accordingly.

main.cs


              12345678910111213141516171819
            
using System;

namespace ConsoleApp
{
    internal class Program
    {
        static __ operate(int a, int b, int c)
        {
            __;
        }

        static void Main(string[] args)
        {
            Console.WriteLine(operate(1, 2, 3));
            Console.WriteLine(operate(2, 4, 1));
            Console.WriteLine(operate(5, 10, 15));
        }
    }
}

We can write expressions directly in the return statement.
For-example, writing return a + b; is valid as it will first evaluate a + b and in-turn return the resultant value. Similarly, we can also directly write boolean expressions in the return values, as boolean expressions are expressions after all. Hence, writing return a > b; is also valid. Using this information, think of a way how you can write a boolean expression that returns true if the sum of a and b is greater than c.

main.cs


              12345678910111213141516171819
            
using System;

namespace ConsoleApp
{
    internal class Program
    {
        static bool operate(int a, int b, int c)
        {
            return (a + b) == c;
        }

        static void Main(string[] args)
        {
            Console.WriteLine(operate(1, 2, 3));
            Console.WriteLine(operate(2, 4, 1));
            Console.WriteLine(operate(5, 10, 15));
        }
    }
}

War alles klar?

Danke für Ihr Feedback!

Abschnitt 6. Kapitel 7