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Java Class (Java Libraries & Java Class Libraries)

What is a Java Class Library? A Java Class Library or Java Class is a reusable Java library or software component that allows you to extend the functionality of your Java application. A Java Class Library is mainly written in Java, although there may be some assembly language or machine code in there to access specific hardware devices, but this is not relevant to the Java programmer, as the Java Class enables him or her to access the device in a platform independent manner using the provided Java Class.

The pre-written Java Class can be called dynamically at run-time by your Java application to carry out commonly repeated tasks. Java Class Libraries allow you to reuse code you have written previously yourself to add functionality to your Java apps. Or a Java Class Library that has been written by an expert with more knowledge about a specific topic or field of study than you can be added to your application, quickly giving you functionality that was not possible before.

Unlike a JavaBean, a Java Class typically does not allow introspection, so a Java IDE or tool cannot analyze a Java Class at design-time to understand its properties, methods and other attributes. JavaBeans are typically used to implement Java user interface controls or UI controls, whereas Java Class Libraries are used for a wide variety of tasks and functions.

The Java Class Libraries listed in this Java Class Library product gallery are therefore the most numerous Java products available in our Java component marketplace and have been written by experts, they include Java Classes that are: Java datagrids, Java spreadsheets, Java Math & Stats libraries, Java charting libraries and Java graphing classes, Java calendar or Java Gantt class products for planning and scheduling, Java speech recognition classes, text editing, word processing and spell checking Java classes and much, much more.

You will also find non-visual Java Class Library based products, that work in the background to add functionality to your your application, such as: sending and receiving emails via SMTP or POP or transferring files via FTP or HTTP over the Internet, or encrypting data or encrypting files prior to storage or transmission. Plus there are Java Class Libraries for Java EDI (Electronic Data Interchange) solutions and also integration with Amazon online storage, messaging and e-commerce services.

1. Aspose.Total Product Family Buy Now

Brand: Aspose

Primary Category: Document & Text Processing Components

(5)

Release Notes: Aspose.BarCode for.NET V26.5- May 25, 2026 Aspose.BarCode for Android via Java V26.5- May 30, 2026 Aspose.BarCode for JasperReports V26.5- May 30, 2026 Aspose.BarCode for Java V26.5- May 28, 2026 Aspose.BarCode for Node.js via Java V26.5- May 29, 2026 Aspose.BarCode for PHP via Java V26.5- May 29, ... Read more Show more results from this product
Release Notes: Aspose.3D for.NET V26.4- April 13, 2026 Aspose.3D for Java V26.4- April 13, 2026 Aspose.3D for Python via.NET V26.4- April 13, 2026 Aspose.BarCode for.NET V26.4- April 19, 2026 Aspose.BarCode for Android via Java V26.4- April 29, 2026 Aspose.BarCode for C++ V26.4- April 28, 2026 Aspose.BarCode for ... Read more
Release Notes: Aspose.BarCode for.NET V26.3- March 23, 2026 Aspose.BarCode for Android via Java V26.3- March 20, 2026 Aspose.BarCode for JasperReports V26.3- March 21, 2026 Aspose.BarCode for Java V26.3- March 17, 2026 Aspose.BarCode for Node.js via Java V26.3- March 19, 2026 Aspose.BarCode for PHP via Java V26.3 ... Read more

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2. Aspose.Total for Java Buy Now

Brand: Aspose

Primary Category: Document & Text Processing Components

(7)

Description: Aspose.Total for Java developers can create a wide range of applications, each leveraging the combined power ... can create, read, convert and modify 3D files easily. Moreover, the API assists developers to model ... Aspose.BarCode for Java is a powerful development library to generate & recognize 1D & 2D barcodes from ... Read more Show more results from this product
Release Notes: Aspose.BarCode for Java V26.5- May 28, 2026 Aspose.Cells for Java V26.5- May 14, 2026 Aspose.Diagram for Java V26.5- May 12, 2026 Aspose.Email for Java V26.4- May 10, 2026 Aspose.HTML for Java V26.5- May 26, 2026 Aspose.Imaging for Java V26.5- May 6, 2026 Aspose.OCR for Java V26.5- May 21, 2026 ... Read more
Release Notes: Aspose.3D for Java V26.4- April 13, 2026 Aspose.BarCode for Java V26.4- April 24, 2026 Aspose.Cells for Java V26.4- April 10, 2026 Aspose.Drawing for Java V26.4- April 28, 2026 Aspose.Email for Java V26.3- April 8, 2026 Aspose.Font for Java V26.4- April 28, 2026 Aspose.HTML for Java V26.4- April 27 ... Read more

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3. Dynamsoft Barcode Reader Buy Now

Brand: Dynamsoft Corporation

Primary Category: Barcode Components

Description: Easily implement barcode scanning on all platforms. Dynamsoft Barcode Reader enables developers ... easily with multi-platform support. Rapid development with multiple language and environment support. ... Read more Show more results from this product
Release Notes: JavaScript SDK Fixed an issue where the scanning page may freeze when debugging in the Developer ... Read more
Release Notes: tool which helps developers evaluate the recognition performance and speed of the SDK. Added a new ... content more easily. Simplified Developer’s Guide to help you create a HelloWorld project more quickly. ... Read more

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4. /n software Red Carpet Subscription Buy Now

Brand: /n software

Primary Category: Communication & Messaging Components

(3)

Release Notes: MCP SDK- MCP SDK is now shipping. This component library improves development of Model Context ... that simplifies EDI development through EDI Objects- transaction-specific, strongly-typed classes generated from ... Objects eliminate the need for developers to track document position or work directly with low-level EDI ... Read more Show more results from this product
Release Notes: Cloud Calendars [Beta]- Cloud Calendars is a new suite of developer tools for managing calendars ... tasks. IPWorks WebAuthn [Beta]- IPWorks WebAuthn is a new development package for adding passwordless ... BLE to all major platforms to enable fully cross-platform BLE development: Windows, macOS, Linux, iOS, ... Read more
Release Notes: Cloud Calendars- Cloud Calendars is a suite of developer components that streamlines the process ... apps. Secure PDF- Secure PDF is the easiest way for developers to implement strong PDF security ... the most developer-friendly way to sign, verify, encrypt, and decrypt PDFs in code. With Secure PDF's ... Read more

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5. Aspose.Words for Java Buy Now

Brand: Aspose

Primary Category: Word Processing Components

(10)

Customer Review: Our company (UNiQUARE Software Development GmbH) provides a "product library" ... It helped us to decrease development time. UNiQUARE Software Development [Austria] 5 ... Read more Show more results from this product
Release Notes: Digital Signing: Added the ability to configure various additional signing options. Document Importing: Added support for importing nodes with expanded formatting options. HTML Rendering: Added support for Far East vertical orientation in HTML within EQ fields. Font Rendering: Improved the handling ... Read more
Release Notes: PDF Export: Improved the PDF logical structure by exporting node custom IDs to custom attributes. Charts: Added support for rendering data labels within funnel charts. Charts: Added support for applying chart style settings to leader line rendering. Charts: Added support for locale IDs when ... Read more

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6. Aspose.Cells for Java Buy Now

Brand: Aspose

Primary Category: Spreadsheet Components

(1)

Release Notes: Text Line Break Error. A single page is being generated as two pages while converting to PDF. Extra small box appears after converting XLSX to PDF on Workbook.save() method. Columns getting truncated even after Autofit. HTML output layout is distorted. Linked picture (camera object) shows stale ... Read more Show more results from this product
Release Notes: Added support for the REGEXTEST function. Added the ability to detect the file format of encrypted ODF 1.4 files. Added support for decrypting encrypted ODS files with ODF 1.4 specification. "CellsException: Corrupted file. (ExceptionType.IO)" on Workbook constructor when using incorrect ... Read more
Release Notes: Excel shape with curved text path converts to straight path when converted into an image. Custom number format using Arabic locale is not formatted as expected. The page break is wrong while converting workbook to PDF. HTML to Excel rowspan issue. Excel to HTML export: Fixed panes partially covered ... Read more

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7. Aspose.PDF for Java Buy Now

Brand: Aspose

Primary Category: PDF Components

(1)

Release Notes: Printing: Added Page sizing options support. Text search and replacement issue using regular expression. Overlay text with Unicode characters becomes corrupted after applying redaction annotation. PCL to PDF- Conversion is not properly being performed. Placing large contents inside FloatingBox, ... Read more Show more results from this product
Release Notes: Save document as PS puts Evaluation Only. Created with Aspose.Page in PS. Aspose.PDF for Java and Adobe Preflight show different validation errors. PDF to PDF/A-2A conversion- output is not compliant. PDF file does not convert to PDF/A-1A. PDF to MD- java.lang.NullPointerException. Checkbox display ... Read more
Release Notes: XPS to PDF: vertical text is not rendered correctly. Error viewing document after resizing page. HTML to PDF: Hebrew text reversed. PDF to PDFA: Text becomes cryptic in output PDFA document. HTML to PDF: OutOfMemoryError exception. Form.setType() causes 'Out of Memory' error. Text ... Read more

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8. Barcode Xpress Java Buy Now

Brand: Accusoft

Primary Category: Barcode Components

Release Notes: developers a clear, concise example of how to get started with the Barcode Scanner REST API in a few minutes. ... Read more Show more results from this product
Description: and ActiveX. Easy Development; Higher ROI- With the Barcode Xpress toolkit, you can add top-quality, high-speed ... Read more
Release Notes: developers a clear, concise example of how to get started with Barcode Xpress in a few minutes. Reorganized ... Read more

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9. LEADTOOLS Medical Suite SDK Buy Now

Brand: LEADTOOLS

Primary Category: Image Editing & Processing Components

Customer Testimonial: LEADTOOLS gave us the possibility to develop the outstanding imaging application with minimum ... Read more Show more results from this product
Description: Develop powerful PACS and Medical imaging applications. LEADTOOLS Medical Suite toolkit's ... data processing. LEADTOOLS Medical Suite is the premier product for developing medical imaging ... and Documentation Source code for many demo projects to help jump-start your development. Comprehensive ... Read more
Release Notes: throughout the LEADTOOLS product line for elevated cross-platform development. New React Medical Web Viewer ... development. Excel API and Web Editor LEADTOOLS introduces the new LEADTOOLS Excel API and Excel Web Editor ... allowing developers to add spreadsheet technology to build robust, intelligent applications. Excel API- ... Read more

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10. LEADTOOLS Medical SDK Buy Now

Brand: LEADTOOLS

Primary Category: Image Editing & Processing Components

Customer Testimonial: LEADTOOLS gave us the possibility to develop the outstanding imaging application with minimum ... Read more Show more results from this product
Description: Develop powerful medical imaging applications. LEADTOOLS Medical SDK is ideal for developing ... projects to help jump-start your development. Comprehensive documentation for every function, method, ... Read more
Release Notes: throughout the LEADTOOLS product line for elevated cross-platform development. New React Medical Web Viewer ... Read more

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