The most appropriate loop statement when the number of iterations is known in advance is the "for loop". Let's understand why the for loop is the suitable choice for this scenario.

Explanation:
A loop is used to execute a set of statements repeatedly until a certain condition is met. There are three main types of loops in programming: the for loop, the while loop, and the do...while loop.

The for loop is specifically designed to iterate a specific number of times when the number of iterations is known in advance. It has the following syntax:

```
for (initialization; condition; increment/decrement) {
// code to be executed
}
```

The initialization step is executed only once before the loop starts. It is used to initialize the loop control variable. The condition is checked before each iteration, and if it evaluates to true, the loop continues. The increment/decrement step is executed after each iteration and is used to update the loop control variable.

Advantages of using a for loop:
1. Known number of iterations: The for loop is ideal when the number of iterations is known in advance, as it allows us to specify the exact number of times the loop should run.
2. Compact syntax: The for loop has a concise and well-defined syntax, making it easier to read and understand.
3. Initialization and increment/decrement control: The for loop provides a convenient way to initialize the loop control variable and update it after each iteration, ensuring proper control over the loop flow.
4. Easy to manage loop variables: The loop control variable is typically declared within the for loop itself, making it local to the loop and easier to manage.

Example:
Let's say we want to print the numbers from 1 to 10. We know that the number of iterations is fixed and exactly 10. Here's how we can achieve this using a for loop:

```java
for (int i = 1; i <= 10;="" i++)="">
System.out.println(i);
}
```

In this example, the loop control variable "i" is initialized to 1, the condition checks if "i" is less than or equal to 10, and the increment step increases "i" by 1 after each iteration. The loop will run exactly 10 times, printing the numbers from 1 to 10.

In conclusion, the for loop is the most appropriate loop statement when the number of iterations is known in advance due to its specific syntax and control over loop variables.