# Provide your own short Java code example that uses a For or…

Provide your own short Java code example that uses a For or While loop. Be sure to test and describe what your code is doing. Use Java comments to document your code. Comment on other postings and provide small changes and edits and demonstrate the new code compiles and runs as expected.

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Using For and While Loops in Java: A Comprehensive Overview

In Java, For and While loops are crucial control structures used to repeatedly execute a block of code. These loops are particularly useful when the number of iterations is known or unknown, respectively. This essay will provide a short Java code example that employs both types of loops and explain what the code accomplishes. Additionally, comments will be included in the code to enhance readability and understanding.

Example code: Calculating the Sum of Even Numbers

To exemplify the utilization of For and While loops, we will develop a program that calculates the sum of even numbers up to a specified limit. This task can be efficiently implemented using either loop structure.

“`java

// Initializing variables

int limit = 10;

int sum = 0;

// Using a for loop to calculate the sum of even numbers

for (int i = 0; i <= limit; i += 2) {
sum += i;
}
// Using a while loop to calculate the sum of even numbers
int j = 0;
while (j <= limit) {
sum += j;
j += 2;
}
// Outputting the sum of even numbers
System.out.println("The sum of even numbers up to " + limit + " is: " + sum);
```
In the provided code, we first initiate the `limit` variable to represent the upper bound of our calculation. Additionally, we declare the `sum` variable, which will store the running total of even numbers.
Next, we employ a For loop to iterate through the even numbers starting from 0 and incrementing by 2 until reaching the `limit`. Inside the loop, each even number is added to the `sum` variable using the compound assignment operator `+=`.
We then use a While loop to perform the same calculation. The variable `j` is initialized to 0, and the loop continues while `j` is less than or equal to the `limit`. Similar to the For loop, each even number is added to the `sum`, and `j` is incremented by 2 at each iteration.
Finally, we output the calculated sum of even numbers to the console.
To verify the correctness of the code, the `limit` variable can be modified, and the program can be executed. The output should display the expected sum of even numbers up to the given limit.
In conclusion, the Java code presented above demonstrates the use of For and While loops to calculate the sum of even numbers. These loop structures provide flexibility and efficiency in solving various programming problems. By employing loops in Java, programmers can more effectively handle repetitive tasks, improving code readability and maintainability.