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C# Basics
course content

Course Content

C# Basics

C# Basics

1. Getting Started
Why C#?C# SyntaxDisplaying OutputChallenge: Outputting a TriangleCommentsChallenge: CommentsVariablesIdentifiersChallenge: Variable DeclarationBasic Operators & ExpressionsChallenge: Operators
2. Dealing with Data Types
Integer Data TypesChallenge: Declaring Explicitly Typed VariablesFloating-Point and DoubleBooleansCharacterStringStrings ChallengeBasic String FormattingChallenge: String FormattingDeclaring ConstantsBasic Type CastingType Casting PracticeBasic Type ConversionBasic Coding Practice
3. Control Structures
Comparison OperatorsLogical OperatorsChallenge: OperatorsOrder of OperationsIf StatementChallenge: if Conditionelse KeywordChallenge: else Keywordif-else ChainChallenge: if, else-if, elseswitch StatementChallenge: Switch
4. Loops
for LoopChallenge: for Loopwhile Loopdo-while LoopChallenge: do-while Loopbreak Statementcontinue StatementChallenge: break and continue
5. Arrays
What are Arrays?Challenge: Array DeclarationIndexingChallenge: IndexingMulti-Dimensional ArraysChallenge: Multi-Dimensional ArraysLooping through ArraysChallenge: Array Loops
6. Methods
What are Methods?Creating and Calling MethodsChallenge: Methods CreationMethod ParametersChallenge: Method with ParametersMethod Return ValuesChallenge: Return ValuesLocal & Global ScopesChallenge: ScopesWhat's Next?

book
Challenge: else Keyword

Write a condition to check if the number num is even or odd. If the number is even, output "Even", otherwise "Odd".

cs

main

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using System;

namespace ConsoleApp
{       
    class Program
    {
        static void Main(string[] args)
        {
            int num = 5;

            // Write code below this line

            // Write code above this line
        }
    }
}
  1. We can determine whether a number is even by verifying if its remainder, resulting from division by 2, equals zero.
  2. In code the condition will be x % 2 == 0 where x is the number to be checked.
cs

main

copy

              
1234567891011121314151617181920212223

            
using System;

namespace ConsoleApp
{
    class Program
    {
        static void Main(string[] args)
        {
            int num = 5;

            // Write code below this line
            if (num % 2 == 0)
            {
                Console.WriteLine("Even");
            }
            else
            {
                Console.WriteLine("Odd");
            }
            // Write code above this line
        }
    }
}

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Section 3. Chapter 8
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