Java 21 SDK base

[hexaredecimal]

Make java 21 our base java version

Summary by CodeRabbit

• Refactor

  • Simplified code by removing unused local variables in several components, resulting in cleaner and more maintainable code.

• Chores

  • Updated the Java compiler version used for building the project.

[coderabbitai]

Walkthrough

The changes update the Maven compiler Java release version from 24 to 21 in the build configuration. Additionally, several Java files are refactored to remove unnecessary assignments to local variables named _ when instantiating objects, simplifying the code without altering functionality.

Changes

File(s)	Change Summary
pom.xml	Changed Maven compiler release version from 24 to 21.
src/main/java/org/editor/EditorWindow.java	Removed unnecessary local variable assignment when creating a CodeEditor instance.
src/main/java/org/editor/events/MenuEvents.java	Removed unnecessary local variable assignment when creating an AboutDialog instance.
src/main/java/org/editor/panels/DashboardPanel.java	Removed unnecessary local variable assignment when creating a ListAction instance.

Poem

A hop, a skip, a tidy fix,
Java 21 now in the mix!
No more stray underscores in sight,
Our code is lean, our future bright.
With every change, we leap ahead,
🐇 Clean and simple—just as said!

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📜 Recent review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between adecd6d and 2f1fe96.

📒 Files selected for processing (4)

• pom.xml (1 hunks)
• src/main/java/org/editor/EditorWindow.java (1 hunks)
• src/main/java/org/editor/events/MenuEvents.java (1 hunks)
• src/main/java/org/editor/panels/DashboardPanel.java (1 hunks)

🧰 Additional context used

🧬 Code Graph Analysis (1)

src/main/java/org/editor/events/MenuEvents.java (1)

src/main/java/org/editor/EditorWindow.java (1)

• EditorWindow (56-538)

🔇 Additional comments (4)

pom.xml (1)

10-10: Approved: Java 21 is an appropriate choice for the compiler release.

Changing the Maven compiler release to Java 21 aligns with the PR objective and is a good choice since Java 21 is an LTS (Long Term Support) version, providing better stability and longer support.

src/main/java/org/editor/panels/DashboardPanel.java (1)

215-215: Code cleanup: Removed unused variable assignment.

The code now directly instantiates the ListAction without assigning it to an unused variable _. This improves readability while maintaining the same functionality, as the constructor's side effects still occur.

src/main/java/org/editor/EditorWindow.java (1)

85-85: Code cleanup: Removed unused variable assignment.

The code now directly instantiates the CodeEditor without assigning it to an unused variable _. This improves readability while maintaining the same functionality, as the constructor's side effects still occur.

src/main/java/org/editor/events/MenuEvents.java (1)

74-74: Code cleanup: Removed unused variable assignment.

The code now directly instantiates the AboutDialog without assigning it to an unused variable _. This improves readability while maintaining the same functionality, as the dialog is still created with the main window as its parent.

✨ Finishing Touches

• 📝 Generate Docstrings

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