Challenge: Return Values

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));
        }
    }
}

Var allt tydligt?

Tack för dina kommentarer!

Avsnitt 6. Kapitel 7

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6. Methods

Challenge: Return Values

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));
        }
    }
}

Var allt tydligt?

Tack för dina kommentarer!

Avsnitt 6. Kapitel 7