Java: Cause Chaining and Error Context

To trace back to the original error. Frame the concept in practical terms so you can explain it during interview discussion.

Including the cause when throwing a new exception allows the stack trace to show the sequence of events that led to the error. It is crucial for debugging complex applications, as it provides a complete picture of what went wrong. For example, if a network call fails, wrapping and including the `IOException` helps maintain the network error details.