What is the purpose of the initialization expression in a for loop?a)T...
The Purpose of the Initialization Expression in a For Loop
The initialization expression in a for loop serves the purpose of initializing the loop variable before the loop starts. It is executed only once, at the beginning of the loop, and helps set the initial value of the loop variable.
Explanation:
A for loop is a control flow statement that allows us to execute a block of code repeatedly under certain conditions. It consists of three parts: the initialization expression, the condition, and the increment expression.
The initialization expression is responsible for initializing the loop variable before the loop starts. It is typically used to set the initial value of the loop variable to a specific value. This expression is executed only once, at the beginning of the loop, and it is not required to be present in every for loop.
Example:
Let's consider the following example of a for loop in the C programming language:
```
for (int i = 0; i < 5;="" i++)="" />
printf("%d\n", i);
}
```
In this example, the initialization expression is `int i = 0;`. It initializes the loop variable `i` with the value 0 before the loop starts. This means that the loop will start executing with the initial value of `i` as 0.
Conclusion:
The initialization expression in a for loop is responsible for initializing the loop variable before the loop starts. It is executed only once, at the beginning of the loop, and helps set the initial value of the loop variable. This expression is optional and not required to be present in every for loop.
What is the purpose of the initialization expression in a for loop?a)T...
The initialization expression in a for loop is used to initialize the loop variable before the loop starts executing. It typically sets the initial value of the loop variable.