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Apps using OpenCSV

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App Installs Publisher Publisher Email Publisher Social Publisher Website
342M upday GmbH & Co. KG *****@upday.com
twitter
https://www.upday.com/
295M TeaCapps *****@qrbot.net - https://qrbot.net/
40M Kakao Corp. *****@kakaocorp.com
facebook instagram
http://www.kakao.com/services/8
38M Grab Holdings *****@grab.com
facebook twitter instagram
http://www.grab.com/
33M Seekrtech *****@seekrtech.com
facebook twitter
https://sleeptown.seekrtech.com/
30M Kakao Mobility Corp. *****@kakaomobility.com
facebook instagram
http://service.kakaomobility.com/kakaot
28M BP Mobile LLC *****@bpmobile.com
linkedin facebook twitter instagram
https://bpmobile.com/
26M Aloha Mobile *****@alohabrowser.com
linkedin facebook twitter instagram
https://alohabrowser.com/
26M TMAP MOBILITY CO. *****@sk.com
facebook
http://skplanet.co.kr/
22M Paisabazaar.com *****@gmail.com
linkedin facebook twitter instagram
http://www.paisabazaar.com/

Full list contains 9K apps using OpenCSV in the U.S, of which 8K are currently active and 4K have been updated over the past year, with publisher contacts included.

List updated on 21th August 2024

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Overview: What is OpenCSV?

OpenCSV is a powerful and versatile Java library designed to simplify the process of reading and writing CSV (Comma-Separated Values) files. This open-source SDK (Software Development Kit) provides developers with a robust set of tools to handle CSV data efficiently, making it an essential component for any Java-based project that deals with data import, export, or manipulation. OpenCSV offers a wide range of features that cater to both simple and complex CSV operations, ensuring compatibility with various CSV formats and standards. One of the key advantages of OpenCSV is its ease of use, allowing developers to quickly integrate CSV functionality into their applications without the need for extensive configuration or setup. The library supports reading and writing CSV files with minimal code, making it an ideal choice for both beginners and experienced programmers. OpenCSV also provides advanced features such as custom separators, quote characters, and escape characters, enabling users to work with non-standard CSV formats seamlessly. OpenCSV's flexibility extends to its ability to handle large datasets efficiently, making it suitable for processing CSV files of any size. The library employs a streaming approach, which allows for memory-efficient parsing of CSV data, even when dealing with files containing millions of records. This feature is particularly valuable for applications that need to process substantial amounts of data without compromising performance or resource utilization. Another notable aspect of OpenCSV is its support for bean binding, which allows developers to map CSV data directly to Java objects. This feature simplifies the process of converting CSV data into structured Java objects, making it easier to work with and manipulate the data within the application. OpenCSV's bean binding capabilities also support custom type conversion and field mapping, providing developers with fine-grained control over how CSV data is interpreted and transformed. OpenCSV also offers robust error handling and validation mechanisms, ensuring that developers can gracefully handle malformed CSV data or unexpected input. The library provides detailed error messages and exceptions, making it easier to identify and resolve issues during CSV processing. Additionally, OpenCSV includes built-in support for data validation, allowing developers to enforce specific rules or constraints on the CSV data being read or written. For developers working with internationalization and localization, OpenCSV provides excellent support for handling different character encodings and locales. This feature ensures that CSV files containing non-ASCII characters or locale-specific formatting can be processed accurately, regardless of the source or destination of the data. OpenCSV's active development and community support contribute to its ongoing improvement and reliability. Regular updates and bug fixes ensure that the library remains compatible with the latest Java versions and addresses any emerging issues or requirements. The extensive documentation and examples provided by the OpenCSV project make it easy for developers to get started and leverage the full potential of the library in their projects. In conclusion, OpenCSV is a comprehensive and user-friendly Java library that simplifies CSV processing tasks, offering a wide range of features and capabilities to meet diverse data handling needs. Its efficiency, flexibility, and robust error handling make it an invaluable tool for developers working with CSV data in Java applications.

OpenCSV Key Features

  • OpenCSV is a popular open-source CSV (Comma-Separated Values) parsing library for Java that provides a simple and efficient way to read and write CSV files.
  • It offers a straightforward API that allows developers to easily integrate CSV functionality into their Java applications, making it ideal for data processing and manipulation tasks.
  • OpenCSV supports both reading and writing CSV files, with the ability to handle custom delimiters, quotes, and escape characters, providing flexibility for various CSV formats.
  • The library includes robust error handling and validation mechanisms, ensuring that malformed CSV data is properly handled and reported.
  • OpenCSV provides support for bean binding, allowing developers to map CSV data directly to Java objects, streamlining the process of working with structured data.
  • It offers excellent performance and low memory footprint, making it suitable for processing large CSV files efficiently.
  • The library includes support for reading and writing CSV files with headers, automatically mapping column names to object properties.
  • OpenCSV provides the ability to handle multi-line fields and quoted text within CSV files, ensuring accurate parsing of complex data structures.
  • It offers customizable parsing options, such as ignoring whitespace, handling null fields, and specifying date formats for automatic conversion.
  • The library supports writing CSV files with custom formatting options, including the ability to specify column order and apply custom value transformations.
  • OpenCSV includes support for reading and writing CSV files using different character encodings, ensuring compatibility with various data sources and destinations.
  • It provides the ability to parse CSV data from different input sources, including files, streams, and strings, offering flexibility in data ingestion.
  • The library offers support for handling escaped characters and quoted fields, ensuring accurate parsing of CSV data with special formatting.
  • OpenCSV includes utilities for data validation and transformation, allowing developers to apply custom rules and conversions to CSV data during processing.
  • It provides support for handling CSV files with varying numbers of columns per row, accommodating inconsistent data structures.
  • The library offers thread-safe implementations, enabling concurrent processing of CSV data in multi-threaded applications.
  • OpenCSV includes support for writing CSV data to various output destinations, including files, streams, and strings, providing flexibility in data export.
  • It offers the ability to customize the CSV output format, including options for quoting behavior, line separators, and null value representation.
  • The library provides support for handling large CSV files through iterative processing, allowing efficient memory usage for big data scenarios.
  • OpenCSV includes utilities for generating CSV files from collections of objects, simplifying the process of exporting data from Java applications.

OpenCSV Use Cases

  • OpenCSV is a popular Java library used for reading and writing CSV (Comma-Separated Values) files, making it an essential tool for data processing and manipulation tasks. One common use case for OpenCSV is in data import and export operations, where large datasets need to be transferred between different systems or applications. For example, a company might use OpenCSV to import customer data from a CSV file into their CRM system, or to export sales reports from their database into a format that can be easily shared with stakeholders.
  • Another use case for OpenCSV is in data analysis and reporting. Data scientists and analysts often work with CSV files containing large amounts of structured data. OpenCSV can be used to parse these files quickly and efficiently, allowing for easy manipulation and analysis of the data. This can be particularly useful in scenarios where real-time data processing is required, such as in financial trading systems or IoT applications that need to process sensor data.
  • OpenCSV is also valuable in ETL (Extract, Transform, Load) processes, where data needs to be extracted from various sources, transformed into a consistent format, and loaded into a target system. For instance, a data warehouse might use OpenCSV to extract data from multiple CSV files, transform it according to specific business rules, and then load it into a centralized database for reporting and analysis purposes.
  • In web applications, OpenCSV can be used to generate downloadable CSV reports for users. This is particularly useful for e-commerce platforms, where customers might want to download their order history or transaction details in a format that can be easily opened in spreadsheet software. Similarly, content management systems might use OpenCSV to allow administrators to export user data, content metrics, or site statistics in CSV format.
  • OpenCSV is also beneficial in data migration projects, where large amounts of data need to be moved from one system to another. For example, when a company upgrades its database or switches to a new software platform, OpenCSV can be used to export data from the old system and import it into the new one, ensuring a smooth transition and minimizing data loss.
  • In the field of scientific research and data collection, OpenCSV can be used to process and analyze experimental data. Researchers can use the library to read CSV files containing raw data from scientific instruments, perform calculations or transformations on the data, and then write the results back to CSV files for further analysis or visualization.
  • OpenCSV is also useful in automation and scripting tasks. System administrators and DevOps engineers can use OpenCSV in their scripts to process log files, configuration data, or system metrics that are stored in CSV format. This can help in automating routine tasks such as system monitoring, performance analysis, or resource allocation.
  • In the realm of machine learning and artificial intelligence, OpenCSV can be used to prepare training data for models. Data scientists can use the library to read large datasets from CSV files, preprocess the data, and then convert it into a format suitable for machine learning algorithms. This is particularly useful when working with datasets that are too large to fit into memory and need to be processed in chunks.
  • OpenCSV can also be employed in data validation and cleaning processes. When working with data from external sources or user-generated content, it's often necessary to validate the data for consistency and accuracy. OpenCSV provides features for parsing and validating CSV files, allowing developers to implement custom validation rules and ensure data quality before processing or storing the information.

Alternatives to OpenCSV

  • Apache Commons CSV: A robust and feature-rich library for reading and writing CSV files in Java, Apache Commons CSV offers a flexible and easy-to-use API. It supports custom delimiters, quote characters, and escape mechanisms, making it suitable for handling various CSV formats. The library provides both simple and advanced parsing options, allowing developers to handle complex CSV structures with ease. Apache Commons CSV also offers excellent performance and is actively maintained by the Apache Software Foundation.
  • Jackson CSV: As part of the popular Jackson data-processing tools, Jackson CSV provides a powerful alternative to OpenCSV. It offers seamless integration with other Jackson modules, making it an excellent choice for projects already using Jackson for JSON processing. Jackson CSV supports streaming APIs for efficient parsing of large files and provides annotation-based mapping for easy conversion between CSV and Java objects. The library also offers customizable parsing options and robust error handling capabilities.
  • Univocity Parsers: A high-performance parsing library that supports CSV, TSV, and fixed-width files, Univocity Parsers is known for its exceptional speed and low memory footprint. It offers a wide range of configuration options, allowing developers to handle complex parsing scenarios with ease. The library provides both synchronous and asynchronous parsing capabilities, making it suitable for various use cases. Univocity Parsers also supports writing CSV files and offers features like CSV to Java bean mapping and custom field conversions.
  • Super CSV: A feature-rich CSV parsing library for Java, Super CSV offers a flexible and intuitive API for reading and writing CSV files. It supports custom cell processors, allowing developers to easily validate and transform data during parsing. Super CSV also provides built-in support for handling quoted fields, escaped characters, and multi-line entries. The library offers good performance and is particularly well-suited for projects requiring extensive data manipulation during CSV processing.
  • FastCSV: A lightweight and high-performance CSV parsing library for Java, FastCSV is designed to offer maximum speed and minimal memory usage. It provides a simple and intuitive API for reading and writing CSV files, making it easy to integrate into existing projects. FastCSV supports custom delimiters and quote characters, and offers both iterator-based and stream-based parsing options. The library is particularly well-suited for processing large CSV files or handling CSV data in memory-constrained environments.
  • JCSV: A simple and lightweight CSV parsing library for Java, JCSV offers a straightforward API for reading and writing CSV files. It supports custom delimiters and quote characters, and provides options for handling escaped characters and multi-line entries. JCSV is designed to be easy to use and integrate into existing projects, making it a good choice for developers looking for a no-frills CSV parsing solution. The library also offers decent performance and low memory overhead.
  • CSVeed: A feature-rich CSV parsing library for Java, CSVeed offers a flexible and extensible API for handling CSV files. It supports annotation-based mapping between CSV data and Java objects, making it easy to work with structured data. CSVeed provides robust error handling and reporting capabilities, helping developers identify and resolve issues in CSV files. The library also offers customizable parsing options and support for handling complex CSV structures.
  • Opencsv (latest version): While you're looking for alternatives to OpenCSV, it's worth noting that the latest version of Opencsv itself has undergone significant improvements. The newer versions offer enhanced features, better performance, and improved ease of use compared to older releases. If you're considering alternatives due to limitations in an older version of OpenCSV, exploring the latest release might provide the improvements you're seeking without the need to switch to a different library.

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