Java substring: ‘string index out of range’

I”m guessing i’m getting this error because the string is trying to substring a Null value. But wouldn’t the “.length() > 0” part eliminate that issue? No, calling itemdescription.length() when itemdescription is null would not generate a StringIndexOutOfBoundsException, but rather a NullPointerException since you would essentially be trying to call a method on null. As … Read more

IndexError: list index out of range and python

If you have a list with 53 items, the last one is thelist[52] because indexing starts at 0. From Real Python: Understanding the Python Traceback – IndexError: IndexError The IndexError is raised when you attempt to retrieve an index from a sequence, like a list or a tuple, and the index isn’t found in the sequence. The Python documentation defines when this exception is … Read more