const

the constant value of pi is approximately 3.14.

we used a const variable to store the maximum number of iterations.

the speed of light is a physical constant.

define a const integer for the array size.

the gravitational constant remains relatively stable.

using const improves code readability and maintainability.

declare a const pointer to prevent accidental modification.

the program uses a const variable for the buffer size.

initialize the const variable with a fixed value.

the constant temperature was recorded at 25 degrees celsius.

a const reference avoids unintended side effects.