Lesson 4
Operators and Expressions
Operators allow you to perform calculations and comparisons. They are a core part of almost every C++ program.
+addition-subtraction*multiplication/division%remainder
Example
Example
#include <iostream>
using namespace std;
int main()
{
int a = 10;
int b = 3;
cout << "a + b = " << a + b << endl;
cout << "a - b = " << a - b << endl;
cout << "a * b = " << a * b << endl;
cout << "a / b = " << a / b << endl;
cout << "a % b = " << a % b << endl;
return 0;
}Book Tip:
This short lesson is part of a larger learning path. The full book expands each topic with more explanation, exercises, and projects.