If Statement

An if statement, also known as conditional statement, is a method of executing a block of code based on a condition. The syntax of an if statement is the following:

if(condition) {
    // code to execute
}

It takes an expression and executes the code block if the expression is true.

For example:

main.cs


              12345678910111213141516
            
using System;

namespace ConsoleApp
{
    internal class Program
    {
        static void Main(string[] args)
        {
			Console.WriteLine("Before Conditional");
			if(10 > 9) {
    			Console.WriteLine("10 is greater than 9");
			}
			Console.WriteLine("After Conditional");
        }
    }
}

In case the condition is false the code block is ignored:

main.cs


              12345678910111213141516
            
using System;

namespace ConsoleApp
{
    internal class Program
    {
        static void Main(string[] args)
        {
			Console.WriteLine("Before Conditional");
			if(10 > 10) {
    			Console.WriteLine("10 is greater than 9");
			}
			Console.WriteLine("After Conditional");
        }
    }
}

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C# Basics

1. Getting Started

2. Dealing with Data Types

3. Control Structures

4. Loops

for Loop Challenge: for Loop while Loop do-while Loop Challenge: do-while Loop break Statement continue Statement Challenge: break and continue

5. Arrays

What are Arrays?Challenge: Array Declaration Indexing Challenge: Indexing Multi-Dimensional Arrays Challenge: Multi-Dimensional Arrays Looping through Arrays Challenge: Array Loops

6. Methods

If Statement

An if statement, also known as conditional statement, is a method of executing a block of code based on a condition. The syntax of an if statement is the following:

if(condition) {
    // code to execute
}

It takes an expression and executes the code block if the expression is true.

For example:

main.cs


              12345678910111213141516
            
using System;

namespace ConsoleApp
{
    internal class Program
    {
        static void Main(string[] args)
        {
			Console.WriteLine("Before Conditional");
			if(10 > 9) {
    			Console.WriteLine("10 is greater than 9");
			}
			Console.WriteLine("After Conditional");
        }
    }
}

In case the condition is false the code block is ignored:

main.cs


              12345678910111213141516
            
using System;

namespace ConsoleApp
{
    internal class Program
    {
        static void Main(string[] args)
        {
			Console.WriteLine("Before Conditional");
			if(10 > 10) {
    			Console.WriteLine("10 is greater than 9");
			}
			Console.WriteLine("After Conditional");
        }
    }
}

Oliko kaikki selvää?

Kiitos palautteestasi!

Osio 3. Luku 5