Imagine that you have written some code. The code should do what you have instructed it to, right? But for some reason, the software is unable to execute the commands you have given. Maybe the software is facing some issues that make it impossible to run.
For example, let's say that you have instructed the software to read a file, collect data, and store it in a database. However, the software is unable to find the file at the location where the file is supposed to be. There could be many reasons why the file isn't found there: the file may have been deleted by someone or may have been moved to another location. Now, what will your software do? It's not smart enough to handle this situation automatically. If the software is not clear about its work, it will throw an exception. It is our duty as a software developer to...