Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....この新しいプロパティは、スプレッドシート内のChartオブジェクトを一意に識別するのにも役立ちます Java Workbook..."sample.xlsx" ); ChartCollection charts = book . getWorksheets ()....