CPP Data Types Examples

💻 CPP Data Types Examples with Output (Beginner → Exam → Interview)

Below are clear, practical examples of CPP Data Types Examples, each with code and output for easy understanding.

1️⃣ Integer Data Type (int) ⭐

Output

2️⃣ Floating Data Type (float) ⭐

Output

3️⃣ Double Data Type (double) ⭐

Output

4️⃣ Character Data Type (char) ⭐

Output

5️⃣ Boolean Data Type (bool) ⭐

Output

📌 true → 1, false → 0

6️⃣ String Data Type (string) ⭐

Output

7️⃣ Multiple Data Types Together ⭐⭐

Output

8️⃣ Derived Data Type – Array ⭐⭐

Output

9️⃣ User-Defined Data Type – struct ⭐⭐

Output

🔟 Size of Data Types ⭐⭐

Sample Output

📌 Size may vary by compiler/system.

📌 Common Exam Questions

Q1. Which data type stores decimal values?
👉 float, double

Q2. Which data type stores true/false?
👉 bool

Q3. Which data type stores text?
👉 string

✅ Summary

✔ int → whole numbers
✔ float / double → decimals
✔ char → single character
✔ bool → true/false
✔ string → text
✔ Arrays & structs → complex data