To prevent incorrect operation of a software or system, debugging is used to find and resolve bugs or defects. ... When the bug is fixed, then the software is ready to use. Debugging tools (called debuggers) are used to identify coding errors at various development stages.

What is the purpose of a debugger?

A debugger is a tool that is typically used to allow the user to view the execution state and data of another application as it is running.

When should you use a debugger?

A debugger is a program that allows you to step through another program one line at a time. This is very useful when trying to identify incorrect code and analyze how a program "flows". Key concepts include: Breakpoints, Stepping, and Viewing data.