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C# Basics
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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: do-while Loop

You have two variables: numberA and numberB. The program should iterate, adjusting numberA until it reaches numberB.

If numberA is greater than numberB, then numberA should be decremented at each step. If numberA is less than numberB, then numberA should be incremented at each step.

Additionally, write the appropriate condition to terminate the loop.

cs

main

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using System;

namespace ConsoleApp
{
    internal class Program
    {
        static void Main(string[] args)
        {
			int numberA = 10;
            int numberB = 1;
            do
            {
                if (___)
                {
                    numberA--;
                }
                else if (___)
                {
                    numberA++;
                }
                Console.WriteLine(numberA);
            } while (___);
        }
    }
}

The loop should continue as long as the numbers are NOT equal (!=).

cs

main

copy

              
12345678910111213141516171819202122232425

            
using System;

namespace ConsoleApp
{
    class Program
    {
        static void Main(string[] args)
        {
            int numberA = 10;
            int numberB = 1;
            do
            {
                if (numberA > numberB)
                {
                    numberA--;
                }
                else if (numberA < numberB)
                {
                    numberA++;
                }
                Console.WriteLine(numberA);
            } while (numberA != numberB);
        }
    }
}

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Section 4. Chapter 5
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