Exceptions: A metaphor

Exception

An event that occurs during the execution of a program that disrupts the normal flow of instructions.

Handling Exceptions

The process of responding to exceptions that occur during program execution, allowing the program to continue running or to fail gracefully.

Calling Stack

A data structure that keeps track of active subroutines or methods in a program, allowing for method calls and returns.

Welding Metaphor

A metaphor used to illustrate how exceptions are processed in programming - welding represents trying to perform a task, while problems represent exceptions that may interrupt the process.

Supervisor in Exception Handling

A metaphorical representation of the method that takes responsibility for handling exceptions that a called method cannot manage.

Pass an Exception

The action of passing an exception to a higher-level method or module for handling when the current context cannot address it.

Bubble Up

The process whereby an exception is passed up the calling stack until it is handled or causes the program to crash.

Plan for Exceptions

Preparation made in code to anticipate potential exceptions and manage them appropriately.

Unplanned Exception

An exception that occurs that has not been prepared for or anticipated in the code, requiring a different approach for handling.

Try-Except Block

A programming construct used in languages like Python to catch and handle exceptions that occur within a block of code.