Introduction

Control structures are fundamental to programming in C#, enabling developers to dictate the flow of program execution based on conditions and repeated actions. This post will delve into conditional statements and loops in C#, providing practical examples to help solidify your understanding and boost your coding prowess.

Understanding Conditional Statements

Conditional statements allow you to execute different blocks of code based on certain conditions.

Example:

int score = 85;
if (score >= 90)
{
    Console.WriteLine("Grade: A");
}
else if (score >= 80)
{
    Console.WriteLine("Grade: B");
}
else
{
    Console.WriteLine("Grade: C");
}

In this example, the program checks the score and prints a grade based on the value. If the score is 90 or above, it prints “Grade: A”. If it’s between 80 and 89, it prints “Grade: B”. Otherwise, it prints “Grade: C”.

Output:

Grade: B

Exploring Loops in C#

Loops allow you to execute a block of code multiple times, which is particularly useful for tasks that require repetition.

For Loop Example:

for (int i = 1; i <= 5; i++)
{
    Console.WriteLine("Iteration " + i);
}

This for loop prints a line for each iteration, counting from 1 to 5.

Output:

Iteration 1
Iteration 2
Iteration 3
Iteration 4
Iteration 5

While Loop Example:

int counter = 1;
while (counter <= 5)
{
    Console.WriteLine("Count: " + counter);
    counter++;
}

This while loop achieves the same result as the for loop above but uses a while structure to control the loop execution.

Output:

Count: 1
Count: 2
Count: 3
Count: 4
Count: 5

Implementing Switch Statements

Switch statements offer a way to execute different parts of code based on the value of a variable.

Example:

string day = "Monday";
switch (day)
{
    case "Monday":
        Console.WriteLine("Start of the work week!");
        break;
    case "Friday":
        Console.WriteLine("Last day of the work week!");
        break;
    default:
        Console.WriteLine("Midweek day");
        break;
}

This switch statement prints a message based on the current day of the week.

Output:

Start of the work week!

Conclusion

Understanding and effectively using control structures is crucial for any programmer looking to write clear, efficient, and logical code in C#. These tools help manage the flow of execution and allow for more dynamic and responsive programs.

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