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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
break Statement

The break statement is used for breaking/stopping a loop mid-execution. It is useful in cases where we want to stop a loop in case some additional condition is met.

Following is an example of the break statement being used in the for loop:

cs

main

copy

              
12345678910111213141516171819

            
using System;

namespace ConsoleApp
{
    internal class Program
    {
        static void Main(string[] args)
        {
			for(int i = 0; i < 10; i++)
			{
			    Console.WriteLine(i);
			    if(i == 5)
			    {
			        break;
			    }
			}
        }
    }
}

The above code outputs i till 5 and then the loop stops. This is because of the additional conditional break we added.

We can also use the break statement in other loops:

cs

main

copy

              
12345678910111213141516171819

            
using System;

namespace ConsoleApp
{
    internal class Program
    {
        static void Main(string[] args)
        {
			int i = 0;
			while(true) {
    			Console.WriteLine(i);
    			if(i == 5) {
        			break;
    			}
    			i++;
			}
        }
    }
}

The loop we constructed above works exactly the same as the for loop we looked at before. The break statement can be used in the do-while loops as well. The break statement is very useful in adding additional conditions to a loop.

How many iterations will the loop run for?

How many iterations will the loop run for?

Select the correct answer

Everything was clear?

How can we improve it?

Thanks for your feedback!

Section 4. Chapter 6
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