[Java] Adding Logging functionality

### Describe the enhancement requested

There are various attempts to do logging on errors using standard output but logging has not been properly introduced. There are warnings created from ErrorProne logs showing that introducing logs would be better.

Is there an existing effort to add logs?

### Component(s)

Java

該 issue 未列出任何檔案、測試或進入點。首先定位將錯誤寫入標準輸出的 Java 程式碼，並檢查 issue 中提到的 ErrorProne 警告。要視為完成，需要就記錄日誌的方法達成共識，並明確定義替換或補充現有錯誤輸出的範圍。

由索引模型根據 Issue 內容生成。