Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
Line-by-line refers to the approach of examining each line of code individually during debugging. This method involves executing one line at a time to observe its effects on variables and program behavior.
Related terms
Step Over: A debugging command that executes one line of code at a time without diving into function calls.
Watch Window: A tool in an integrated development environment (IDE) that allows programmers to monitor variable values while stepping through lines of code.
Conditional Breakpoint: A breakpoint set at a specific location in the code that only triggers if certain conditions are met, helping narrow down problematic areas.