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  1. AP Computer Science Principles
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Identifying and Correcting Errors

David Foster

David Foster

3 min read

Next Topic - Big Idea 2 Overview: Data

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Study Guide Overview

This guide covers debugging and error handling in programming. It focuses on common errors like syntax errors, runtime errors, and logic errors. The guide also explains how to identify and fix these errors. Key concepts include understanding error messages and using debugging tools.

#🐞 Debugging and Error Handling: Your Ultimate Guide 🐞

Hey there, future AP Computer Science Principles rockstar! Errors, or as we like to call them, bugs, are a normal part of coding. Don't sweat it; everyone encounters them. This guide will help you understand, identify, and squash those bugs like a pro. Let's dive in!

#πŸ” Common Errors

Here’s a breakdown of the usual suspects you'll encounter:

#πŸ‘Ύ Syntax Errors

Key Concept

These occur when you break the grammatical rules of a programming language. Think of it like forgetting a period at the end of a sentence, or misspelling a word in English. The computer won't understand your instructions and will throw an error.

  • Examples:
    • Forgetting a closing parenthesis )
    • Misspelling a variable name
    • Incorrect indentation (especially in Python)
Exam Tip

Most code editors highlight syntax errors, making them relatively easy to spot and fix. Pay attention to those red squiggly lines!

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Previous Topic - Program Design and DevelopmentNext Topic - Big Idea 2 Overview: Data

Question 1 of 4

Encountering errors in code is a sign of a bad programmer? πŸ€”

True, it indicates lack of skill

False, it's a normal part of coding

Only beginners make mistakes

Errors should be avoided at all costs