C++ uses cout for output. Include <iostream> header and use the std namespace.
C++
Learn systems programming with C++.
1
Hello World
Example
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Output
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Your task: Use cout to print "Hello, World!"
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Output
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Which operator is used with cout to output data?
SUMMARY
In this section, you learned how to print output to the console. Next, you'll learn how to declare variables and work with different data types.
2
Variables and Data Types
C++ is statically typed - you must declare the type before using a variable.
Example
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Output
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Your task: Declare variables: name (string), age (int)
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Output
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What does "statically typed" mean in C++?
SUMMARY
In this section, you learned how to declare variables and work with different data types. Next, you'll learn how to get user input from the console.
3
Arithmetic Operations
C++ supports all standard arithmetic operations. Integer division truncates the decimal part.
Example
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Output
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Your task: Calculate area and print "Area: {area}"
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Output
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What is the result of 17 / 5 in C++ (both are int)?
SUMMARY
In this section, you learned how to get user input from the console. Next, you'll learn how to perform mathematical operations.
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Locked lessons:
- String Operations
- Conditionals
- For Loops
- For Loops
- While Loops
- Functions
- Vectors
- Classes and Objects
- Final Project: Student Grade System