Breakpoint
A breakpoint is a designated program location at which a debugger pauses execution so the program’s state can be inspected.
Troubleshooting Java, Second Edition
A breakpoint is a marker in program code that causes a debugger to pause execution when that location is reached.
- How it is used
- Uses debugger pauses to investigate unclear logic, changing data, unexpected output, and execution paths.
- How deep it goes
- Explains placement, stepping, variable inspection, stack traces, and non-blocking logging, while deferring debugger features to broader treatment.
- Examples
- Demonstrates missing database records, a Java decoder, digit extraction, variable inspection, and logging an empty list with its stack trace.
- What you can do after
- Diagnose/debug with a debugger by pausing at unclear lines, tracing data changes, and logging runtime evidence without modifying code.
Read how Troubleshooting Java, Second Edition explains breakpoint →
Learn AI-Assisted Python Programming, Second Edition
A breakpoint is a designated program location at which a debugger pauses execution before the associated code runs.
- How it is used
- Uses focused pauses to inspect program behavior and debug relevant lines without tracing an entire program.
- How deep it goes
- Explains placement, startup, stepping, inspection, and removal, while deferring the debugger’s many advanced features.
- Examples
- Demonstrates breakpoints with count_words and a failing most_students doctest that misses a final consecutive group.
- What you can do after
- Diagnose/debug with it by pausing execution, inspecting state, stepping through logic, and locating an edge-case error.
Read how Learn AI-Assisted Python Programming, Second Edition explains breakpoint →
100 SQL Server Mistakes and How to Avoid Them
A breakpoint is a marked execution location at which a debugger pauses program execution.
- How it is used
- Uses paused execution to inspect stored-procedure state and trace execution paths during debugging.
- How deep it goes
- Explains placement, continuation, variable inspection, and stepping, but stops short of supporting conditional T-SQL breakpoints.
- Examples
- Demonstrates pausing CalculateCampaignSummary before calculating @CostOfBidPerc and inspecting campaign summary variables.
- What you can do after
- Diagnose stored-procedure behavior by pausing execution, inspecting locals, and stepping through code.
Read how 100 SQL Server Mistakes and How to Avoid Them explains breakpoint →
Learn PowerShell Scripting in a Month of Lunches, Second Edition: Write and organize scripts and tools
A breakpoint is a debugger control point at which script execution pauses so the current state can be examined or execution can be stepped or resumed.
- How it is used
- Uses paused execution to inspect script state and locate logic bugs.
- How deep it goes
- Explains placement, pausing, inspection, stepping, and resumption, while deferring additional debugger capabilities to help documentation.
- Examples
- Demonstrates line 17, the $disk variable, DriveType inspection, F9, F5, and F11 in VS Code.
- What you can do after
- Diagnose/debug PowerShell scripts by pausing execution, inspecting state, stepping through decisions, and comparing expectations with observed values.
Python How-To
A breakpoint is a designated execution point at which a program pauses so its state can be examined during debugging.
- How it is used
- Activates interactive debugging at a chosen execution point so a suspected operation can be examined closely.
- How deep it goes
- Explains activation and line-by-line navigation with n, s, and l, but does not detail the debugger’s full command set.
- Examples
- Uses a task-creation script that parses text data and steps through obtain_text_data, splitting, integer conversion, and object construction.
- What you can do after
- Diagnose bugs by pausing execution, identifying the next statement, and stepping through function operations interactively.
Get Programming: Learn to code with Python
A marked location in program code where a debugger pauses execution for inspection.
- How it is used
- Uses a marked code location to pause failing tests and inspect execution during debugging.
- How deep it goes
- Explains placement, continuation, stepping into functions, and variable inspection, but stops short of debugger internals.
- Examples
- Demonstrates a breakpoint while diagnosing a failing absolute-value test in Spyder.
- What you can do after
- Diagnose/debug with Spyder by pausing execution, stepping into functions, and inspecting variable values.
Read how Get Programming: Learn to code with Python explains breakpoint →
Related concepts
- conditional breakpointincludes · A conditional breakpoint is a debugger breakpoint that pauses program execution only when a specified Boolean condition evaluates to true.
- debuggerused by · A debugger is a software tool for controlling program execution and inspecting runtime state to investigate behavior and diagnose defects.
- debuggingused by · Debugging is the systematic process of investigating software behavior to locate, diagnose, and correct defects or their causes.
- Visual Studio Code debuggerconfigures · The Visual Studio Code debugger is the editor's integrated facility for controlling program execution and inspecting runtime state.
- debugger statementuses · A debugger statement is a JavaScript statement that requests a pause in execution when an attached debugger is active.
These guides are generated from the text of Manning books by Manning's knowledge graph and link to the sections they draw on. The full books are available on liveBook and at manning.com.