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Okay, sorry.

Thanks a lot for the reply. It's just that I have a deadline so I wanted to increase the chances of me getting an answer. I really appreciate it!

Ok. I will implement this in a djikstra algorithm. I have a "from", "current" and "to" that consists of a string of 4 numbers. Then I will check, each timestep, what my current node is, whether or...

Yeah, I'm aware of that. I only changed it to see if I could find the error. The thing is that I want the output to act like a string, so I can use it in another class. Why can't I do it like that?

Hi.
I try to get the following code to run:


for (int i = 0; i < 1; i++) {
str = Integer.toString(i);
if (i < 10) {
str = "0" + str;
}