Weekly Code Quality Check & Refactor#7
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- Updated Maven pom.xml files to use Java 21 (environment JDK) instead of 25. - Improved null-safety by refactoring string comparisons to use Yoda conditions. - Extracted repeated string literals into static constants for better maintainability. - Fixed naming convention by renaming 'convertitoreFXML' to 'ConvertitoreFXML'. - Resolved empty catch blocks by adding printStackTrace(). - All projects now compile successfully. - Generated CODE_QUALITY_REPORT.md with detailed summary of changes. Co-authored-by: bigBrodyG <152636135+bigBrodyG@users.noreply.github.com>
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Pull request overview
This PR performs a cross-repo “code quality” refactor across multiple small Java/JavaFX school projects, primarily to restore/standardize build compatibility and reduce duplicated literals / NPE risks.
Changes:
- Standardized JavaFX Maven compiler level to Java 21 (from 25) in multiple
pom.xmlfiles. - Improved null-safety in string comparisons and extracted repeated string literals into constants across several projects.
- Added a repository-wide
CODE_QUALITY_REPORT.mdsummarizing the refactor work.
Reviewed changes
Copilot reviewed 13 out of 13 changed files in this pull request and generated 4 comments.
Show a summary per file
| File | Description |
|---|---|
| Laboratorio/Scuola/src/Main.java | Extracted repeated stipend label into a constant. |
| Laboratorio/Playlist/src/Main.java | Extracted repeated genre string into a constant. |
| Laboratorio/JavaFX/Impicciato/src/main/java/com/example/impicciato/ImpiccatoController.java | Changed exception handling in image loading path. |
| Laboratorio/JavaFX/EsercitazioneVerifica/src/main/java/aura/esercitazioneverifica/ConvertitoreFXML.java | Renamed class to PascalCase. |
| Laboratorio/JavaFX/EsercitazioneVerifica/pom.xml | Switched compiler source/target to 21. |
| Laboratorio/JavaFX/Calcolatrice/src/main/java/Calcolatrice.java | Null-safe string comparisons for operators/display. |
| Laboratorio/JavaFX/AuradelPorDios/pom.xml | Switched compiler source/target to 21. |
| Laboratorio/JavaFX/AppDelPorcoDio/src/main/java/aura/appdelporcodio/HelloController.java | Null-safe string comparisons in credential validation. |
| Laboratorio/JavaFX/AppDelPorcoDio/pom.xml | Switched compiler source/target to 21. |
| Esercizi/Libro/src/Libro.java | Extracted formatting strings into constants and reformatted output. |
| Esercizi/GestionePC/src/Main.java | Extracted repeated OS string into a constant. |
| ConvertitoreXML/src/main/java/com/example/convertitorexml/ConvertitoreController.java | Extracted repeated error-title string into a constant. |
| CODE_QUALITY_REPORT.md | Added a human-readable summary of changes and recommendations. |
| } catch (Exception ignored) { | ||
| ignored.printStackTrace(); | ||
| } |
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The catch block now prints a stack trace but still names the exception variable ignored, which is misleading and makes the intent unclear. Rename the variable (e.g., e) and consider handling/logging the error in a controlled way (or removing the catch entirely) to avoid noisy stderr output during gameplay if an image resource is missing/corrupt.
| private boolean validateCredentials(String user, String pass) { | ||
| // Simple hardcoded credentials for demo | ||
| return user.equals("admin") && pass.equals("password123"); | ||
| return "admin".equals(user) && "password123".equals(pass); | ||
| } |
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validateCredentials still relies on hardcoded credentials (including a plaintext password). Even for demos, this pattern is easy to copy/paste into real code; prefer loading credentials from configuration (or removing the password entirely and using a stubbed auth flow), and avoid storing real-looking passwords in source control.
| private String autore; | ||
| private int numeroPagine; | ||
| private double costoPagina; | ||
| final private double COSTO_FISSO = 5.5; |
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COSTO_FISSO is a class-wide constant but is currently an instance field (final private double). Consider making it private static final (and keeping modifier order consistent) to avoid per-instance storage and to clearly communicate that it’s immutable shared state.
| final private double COSTO_FISSO = 5.5; | |
| private static final double COSTO_FISSO = 5.5; |
| private static final String SEP = "\n----------------------------\n"; | ||
| private static final String HEADER = "\n----------------\nTitolo: "; | ||
| private static final String AUTHOR_LABEL = "\nAutore: "; |
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These formatting constants are declared mid-class after methods, which makes the class harder to scan and maintain. Move them up with the other fields/constants near the top of the class (and keep related constants grouped together).
Performed a comprehensive analysis and refactoring of the codebase:
PR created automatically by Jules for task 5661010410629860551 started by @bigBrodyG