[kobukuro]

No description provided.

[Copilot]

Pull request overview

This pull request adds unit tests for the "Simple Bank System" problem (LeetCode #2043) and reorganizes the code structure by moving the Bank2043 class to the proper package location.

Changes:

• Added comprehensive unit tests (Bank2043Test.java) with two test cases including edge cases from LeetCode examples
• Moved Bank2043 class from src/ to src/main/java/com/leetcode/medium/ for proper package organization
• Updated class structure with cleaner variable naming (balance → accounts) and removed redundant this keywords

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 4 comments.

File	Description
src/main/java/com/leetcode/medium/Bank2043.java	New implementation file with cleaner code structure, replacing the old file location
src/test/java/com/leetcode/medium/Bank2043Test.java	New comprehensive test file with helper method and two test cases
src/Bank2043.java	Old implementation file removed from incorrect location

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.

[Copilot]

The account validation is incomplete. It only checks if the account number exceeds the array length, but doesn't validate if the account number is less than 1. Account numbers should be valid positive integers (1-indexed). Add a check for account1 < 1 || account2 < 1 to prevent potential ArrayIndexOutOfBoundsException when accessing accounts[account1 - 1] or accounts[account2 - 1].

[Copilot]

The account validation is incomplete. It only checks if the account number exceeds the array length, but doesn't validate if the account number is less than 1. Account numbers should be valid positive integers (1-indexed). Add a check for account < 1 to prevent potential ArrayIndexOutOfBoundsException when accessing accounts[account - 1].

[Copilot]

The account validation is incomplete. It only checks if the account number exceeds the array length, but doesn't validate if the account number is less than 1. Account numbers should be valid positive integers (1-indexed). Add a check for account < 1 to prevent potential ArrayIndexOutOfBoundsException when accessing accounts[account - 1].

[Copilot]

The test suite lacks coverage for edge cases, particularly invalid account numbers. Consider adding test cases for scenarios such as: account numbers that are 0, negative values, or exceed the number of accounts. These edge cases would help ensure the validation logic handles boundary conditions correctly.