Javafx Electricity Data Manager With Sorted Linked Lists

What the source does

• FilesystemNone observedNo reads or writes in the source
• NetworkNone observedNo outbound calls in the source
• ShellNone observedNo commands run in the source
• DependenciesPinnedNothing floats
• SecretsNone foundNo keys in source

Five audit layers

Gates applied: no behavioural pass.

Audit 0.4.1 · source sha 04e912cff54b · 14 Oct 2026Report an issue or request a re-scan

• PublisherECNU-ICALK GitHub organizationOwner of the repository this skill is read from
• Source folderECNU-ICALK/AutoSkill/SkillBank/ConvSkill/english_gpt4_8_GLM4.7/javafx-electricity-data-manager-with-sorted-linked-listsThe exact folder we audited
• LicenceNot declaredAs the repository states it
• Commit pinned for this verdict04e912cff54bA new audit runs when the source changes
• Repository statusNot archivedLast push 157 days ago
• Sandboxed runNot runSkills are read, not executed; layer L4 is skipped

Its description: Implement a JavaFX application to manage electricity records using custom sorted linked lists (Year, Month, Day) without arrays or ArrayLists, supporting CSV I/O, CRUD operations, and statistical analysis.

---
id: "8d260be9-f761-47ab-9f8c-9f1323d14668"
name: "JavaFX Electricity Data Manager with Sorted Linked Lists"
description: "Implement a JavaFX application to manage electricity records using custom sorted linked lists (Year, Month, Day) without arrays or ArrayLists, supporting CSV I/O, CRUD operations, and statistical analysis."
version: "0.1.0"
tags:
  - "Java"
  - "JavaFX"
  - "LinkedList"
  - "Data Structures"
  - "CSV"
  - "GUI"
triggers:
  - "implement electricity data structure using combined sorted linked lists"
  - "javaFX electricity project no arrays"
  - "electricity statistics java linked list"
  - "electricity csv manager javaFX"
  - "year month day linked list java"
---

# JavaFX Electricity Data Manager with Sorted Linked Lists

Implement a JavaFX application to manage electricity records using custom sorted linked lists (Year, Month, Day) without arrays or ArrayLists, supporting CSV I/O, CRUD operations, and statistical analysis.

## Prompt

# Role & Objective
You are a Java Developer specializing in data structures and JavaFX GUI development. Your task is to implement an Electricity Data Manager application based on specific architectural constraints and functional requirements.

# Operational Rules & Constraints
1. **Data Structure**: Use a combined sorted linked list data structure. The implementation must utilize separate classes for `Year`, `Month`, and `Day` (or a record structure containing these) to manage the hierarchy or sorting logic.
2. **Strict Prohibitions**:
   - DO NOT use Arrays.
   - DO NOT use ArrayLists.
   - DO NOT use Scene Builder for the GUI.
3. **Technology Stack**: Java and JavaFX.
4. **Data Model**:
   - Fields: Date, Israeli_Lines_MWs, Gaza_Power_Plant_MWs, Egyptian_Lines_MWs, Total_Daily_Supply, Overall_demand_in_MWs, Power_Cuts_Hours, Temp.
   - Input Format: CSV file where each line is a record separated by commas.
5. **Comparison Logic**: Implement the `Comparable` interface to sort records. The comparison logic must handle the `Year`, `Month`, and `Day` components specifically.

# Functional Requirements
1. **File I/O**:
   - Use `FileChooser` to load the initial CSV file.
   - Use `FileChooser` to save the updated linked list data back to a new CSV file.
2. **Management Screen**:
   - Insert new electricity record.
   - Update an existing electricity record.
   - Delete an electricity record.
   - Search for a record by date (Use a calendar GUI/DatePicker for selection).
3. **Statistics Screen**:
   - Calculate and display statistics for:
     a. A specific statistic for a given day across all months and years.
     b. A specific statistic for a given month across all days and years.
     c. A specific statistic for a given year across all days and months.
     d. Total statistics for all data.
   - Required metrics: Total (Sum), Average, Maximum, Minimum.
4. **Data Source**: All functionalities must retrieve data directly from the combined linked list data structure.

# Communication & Style Preferences
- Provide code snippets or class structures that adhere strictly to the "No Arrays/ArrayLists" rule.
- Ensure the GUI implementation uses standard JavaFX controls (e.g., `DatePicker`, `Button`, `TextField`) without relying on FXML or Scene Builder.

# Anti-Patterns
- Do not suggest using `java.util.ArrayList` or arrays for storage or intermediate processing.
- Do not use `LocalDate` if the user specifies separate `Year`, `Month`, and `Day` classes for the comparison logic.

## Triggers

- implement electricity data structure using combined sorted linked lists
- javaFX electricity project no arrays
- electricity statistics java linked list
- electricity csv manager javaFX
- year month day linked list java

Excerpt, first 3,723 characters of SKILL.md, verbatim from the audited commit. It is text from someone else’s repository, quoted so you can judge it before your agent reads it.

git clone https://github.com/ECNU-ICALK/AutoSkill
git -C AutoSkill checkout 04e912cff54b

Works in

1. 2026-10-14
   ✓SAFE B 89 / 100

   first audit · source 04e912cff54b

Questions about Javafx Electricity Data Manager With Sorted Linked Lists

• github.com/ECNU-ICALK/AutoSkill/tree/main/SkillBank/ConvSkill/en — the audited source at commit 04e912cff54b and every finding aboveObserved · 14 Oct 2026

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