Question

I have gone over and over this code and can’t see where this is happening it doesn’t happen every time it only happens if I run through post twice but I have tried getting rid of each of these in turn by commenting them out and that still gives the error but if I get rid of both my code works fine but they are necessary and they did work before. Any help is appreciated.

if(lines[i].length() > 10)
{
    if(lines[i].charAt(4) == '-' && lines[i+1].charAt(4) == '-')
    {
        lines[i] = "\nComment";
    }
}
if(lines[i].length() > 10)
{
    if(lines[i].charAt(4) == '-' && lines[i+1].charAt(4) != '-' && !lines[i-1].equals("\nComment"))
    {
        lines[i] = "\nPost";
    }
}

Answer 1

Your code does not check

• that lines[i+1] exists,
• that lines[i-1] exists, and
• that the length of lines[i+1] is at least five.

This would break when i is zero or lines.length-1, or when one of the prior/next lines has less than five characters.