You need to write a .txt document parser and sort it. The parser itself seems to be ready, but there were problems with sorting, I don’t see what the problem is here?

Question

Java

The main code and the getInfo() method, which should print the contents of the array to the console:

Here is the code for the sort itself. If you do not run the getInfo () method, then everything works well, but as soon as I call it after the sort method, an exception pops up.

Many thanks in advance for your help!

Answer 1

Well, they wrote you quite clearly - NullPointerException. And even the line number is given.
Put a breakpoint on this line and see