---
title: Debugging
description: Debugging is the systematic process of identifying, analyzing, and resolving bugs or defects within software code. Learners will understand how to use debugging tools, read stack traces, write test cases, and isolate errors to ensure program correctness.
category: programming-tech
subcategory: programming-fundamentals
difficulty: beginner, intermediate, advanced
url: /subject/debugging
---

# Debugging

Debugging is the systematic process of identifying, analyzing, and resolving bugs or defects within software code. Learners will understand how to use debugging tools, read stack traces, write test cases, and isolate errors to ensure program correctness.

## Available Resources

3 Books • 2 Websites

## Websites

### 1. Rubber Duck Debugging

The Wikipedia entry on the practice of explaining code line by line to an inanimate object. It covers the origin of the term, why articulating a problem aloud surfaces faulty assumptions, and related psychological research.

**Difficulty:** Beginner | **Price:** Free

**Link:** https://en.wikipedia.org/wiki/Rubber_duck_debugging

**Tags:** debugging, problem-solving, programming-practice, software-engineering

### 2. stackoverflow.com

Stack Overflow is a developer-focused Q&A site where programmers ask debugging and coding questions and share practical, answer-ready solutions with code examples. It hosts a vast, searchable archive of community-voted answers across languages and technologies, organized by tags and reputation.

**Difficulty:** Intermediate | **Language:** English | **Price:** Free

**Link:** https://stackoverflow.com

**Tags:** websites, technology-computer-science, programming-fundamentals

## Books

### 1. The Art of Debugging

**Author:** Norman Matloff, Peter Jay Salzman

A hands-on treatment of debuggers rather than debugging folklore: breakpoints, watchpoints, stack inspection, and core dumps worked through GDB, DDD, and Eclipse. Readers come away able to drive a symbolic debugger on C and C++ programs.

**Difficulty:** Intermediate | **Language:** English | **Price:** Paid

**Link:** https://www.amazon.com/dp/1593271743?tag=edmonddante07-20

**Tags:** books, technology-computer-science, programming-fundamentals

### 2. Debugging: The 9 Indispensable Rules

**Author:** David J. Agans

Agans distills troubleshooting into nine rules, such as understanding the system, making the failure reproducible, changing one thing at a time, and keeping an audit trail. Illustrated with hardware and software war stories readers can apply immediately.

**Difficulty:** Intermediate | **Language:** English | **Price:** Paid

**Link:** https://www.amazon.com/dp/0814474578?tag=edmonddante07-20

**Tags:** books, technology-computer-science, programming-fundamentals

### 3. Why Programs Fail

**Author:** Andreas Zeller

Treats debugging as a disciplined scientific process: reproducing failures, isolating them with delta debugging, tracking infection chains from defect to symptom, and automating the search for causes. Grounded in research, with tooling and experiments throughout.

**Difficulty:** Intermediate | **Language:** English | **Price:** Paid

**Link:** https://www.amazon.com/dp/1558608664?tag=edmonddante07-20

**Tags:** books, technology-computer-science, programming-fundamentals

---

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