Why arrays are needed in C Sharp (C#) - See It in Action

Why arrays are needed

📖 Scenario: Imagine you run a small shop and want to keep track of the prices of exactly 5 different fruits you sell every day.

🎯 Goal: You will create a program that stores the prices of 5 fruits using an array, then calculates the total cost if you buy one of each fruit.

📋 What You'll Learn

Create an array called fruitPrices with exactly 5 decimal values representing prices.

Create a variable called totalCost to hold the sum of all prices.

Use a for loop with the variable i to add each price in fruitPrices to totalCost.

Print the totalCost with a message.

💡 Why This Matters

🌍 Real World

Stores lists of items like prices, names, or measurements to manage data efficiently.

💼 Career

Understanding arrays is essential for programming jobs that handle collections of data, like software development and data analysis.

1

Create the array of fruit prices

Create an array called fruitPrices with these exact decimal values: 1.20m, 0.50m, 0.75m, 1.00m, 1.50m.

C Sharp (C#)

// Your code here

Need a hint?

Use decimal[] fruitPrices = { ... }; to create the array with the exact prices.

2

Create a variable to hold the total cost

Create a variable called totalCost of type decimal and set it to 0m.

C Sharp (C#)

decimal[] fruitPrices = {1.20m, 0.50m, 0.75m, 1.00m, 1.50m};
// Your code here

Need a hint?

Use decimal totalCost = 0m; to start with zero total cost.

3

Add all fruit prices using a for loop

Use a for loop with the variable i to add each price in fruitPrices to totalCost. The loop should run from i = 0 to less than fruitPrices.Length.

C Sharp (C#)

decimal[] fruitPrices = {1.20m, 0.50m, 0.75m, 1.00m, 1.50m};
decimal totalCost = 0m;
// Your code here

Need a hint?

Use a for loop from 0 to fruitPrices.Length and add each price to totalCost.

4

Print the total cost

Write a Console.WriteLine statement to print: Total cost of all fruits: followed by the value of totalCost.

C Sharp (C#)

decimal[] fruitPrices = {1.20m, 0.50m, 0.75m, 1.00m, 1.50m};
decimal totalCost = 0m;
for (int i = 0; i < fruitPrices.Length; i++)
{
    totalCost += fruitPrices[i];
}
// Your code here

Need a hint?

Use Console.WriteLine("Total cost of all fruits: " + totalCost); to show the result.