Assignment operators assign value to variable.
Shortcut assignment operators like += or *= perform mathematical operation before making the assignment.
Assignment
int x = 10; // Assignment
x += 10; // Addition-Assignment x = x + 10
x -= 10; // Subtraction-Assignment x = x - 10
x *= 10; // Multiplication-Assignment x = x * 10
x /= 10; // Division-Assignment x = x / 10
x %= 10; // Modulus-Assignment x = x % 10