While in Julia

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Category: Loop | Language: Julia

In Julia, a while loop is a type of loop that is executed as long as a specific condition is true. Here is the basic syntax for using the while loop in Julia:

while condition
    # code to execute
end

The loop will continue to execute as long as the condition remains true. Once the condition is false, the loop will exit.

Here's a simple example that uses a while loop to print the numbers 1 to 10:

i = 1
while i <= 10
    println(i)
    i += 1
end

In this example, the while loop uses the counter variable i to keep track of the current number being printed. The loop will continue until the i variable reaches 10.

Another example that uses a while loop to find the factorial of a number:

function factorial(n)
    result = 1
    while n > 1
        result *= n
        n -= 1
    end
    return result
end

println(factorial(5))

This code defines the factorial function which uses a while loop to calculate the factorial of a number. The loop continues to execute until n is reduced to 1. The result variable is updated during each iteration of the loop by multiplying it with the current value of n.