String interpolation with #{} in Ruby - Mini Project: Build & Apply

String interpolation with #{}

📖 Scenario: You are creating a simple greeting card program that personalizes messages for different people.

🎯 Goal: Build a Ruby program that uses string interpolation with #{} to insert variables into strings.

📋 What You'll Learn

Create a variable with a person's name

Create a variable with a greeting message

Use string interpolation with #{} to combine the greeting and the name

Print the final personalized greeting

💡 Why This Matters

🌍 Real World

String interpolation is used in many programs to create dynamic messages, like emails, alerts, or reports personalized for each user.

💼 Career

Understanding string interpolation helps you write clear and efficient code for user interfaces, logging, and data display in software development jobs.

1

Create a variable with a person's name

Create a variable called name and set it to the string "Alice".

Ruby

# Create a variable called name and set it to "Alice"
# Your code here

Need a hint?

Use = to assign the string "Alice" to the variable name.

2

Create a variable with a greeting message

Create a variable called greeting and set it to the string "Hello".

Ruby

name = "Alice"
# Create a variable called greeting and set it to "Hello"
# Your code here

Need a hint?

Assign the string "Hello" to the variable greeting.

3

Use string interpolation to combine greeting and name

Create a variable called message and set it to a string that uses string interpolation with #{} to combine greeting and name with a space in between. For example: "Hello Alice".

Ruby

name = "Alice"
greeting = "Hello"
# Create a variable called message using string interpolation with #{greeting} and #{name}
# Your code here

Need a hint?

Use double quotes and #{} to insert variables inside the string.

4

Print the personalized greeting message

Write a puts statement to print the variable message.

Ruby

name = "Alice"
greeting = "Hello"
message = "#{greeting} #{name}"
# Print the message variable
# Your code here

Need a hint?

Use puts message to display the message on the screen.