fastexcel
zerocell
fastexcel | zerocell | |
---|---|---|
5 | - | |
605 | 79 | |
1.7% | - | |
8.8 | 0.0 | |
8 days ago | 5 months ago | |
Java | Java | |
Apache 2.0 | Apache License 2.0 |
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fastexcel
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FileOutputStream v. ByteArrayOutputStream: is there a noticeable difference in memory usage?
I'm using fastexcel to create the excel file, and I'm flushing it to the OutputStream after every row is written. Right now, I am using a FileOutputStream to write to disk. When the excel file is done being generated, I read it back in using InputStreamResource and stream the response. My thought process is that a ByteArrayOutputStream keeps everything in memory even if I'm flushing the excel file after every row, so I used the FileOutputStream. Does my logic track here? Or am I unnecessarily slowing things down with expensive filesystem IO?
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Favorite hidden gem library?
fastexcel the fastest xlsx generation library
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how to create an excel file from a form in an android app
I would use some library like for example this one. So you collect all the data you want to store in a list or map, and iterate over it, then add them to the excel like shown in the documentation of the library (should always be the same way more or less for any library)
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Any good alternatives to Apache POI for creating Excel spreadsheets?
I've only had memory problems with apache poi. I only use https://github.com/dhatim/fastexcel now
zerocell
We haven't tracked posts mentioning zerocell yet.
Tracking mentions began in Dec 2020.
What are some alternatives?
Apache POI - Mirror of Apache POI
Mixin - Mixin is a trait/mixin and bytecode weaving framework for Java using ASM
easyexcel - 快速、简洁、解决大文件内存溢出的java处理Excel工具
Kripton Persistence Library - A Java/Kotlin library for Android platform, to manage bean's persistence in SQLite, SharedPreferences, JSON, XML, Properties, Yaml, CBOR.
Aspose.Cells-for-Java - Aspose.Cells for Java examples, plugins and showcases
auto-record - Java record source generator
spreadsheet - Spreadsheet Builder
Doma 2 - DAO oriented database mapping framework for Java 8+
docx4j - JAXB-based Java library for Word docx, Powerpoint pptx, and Excel xlsx files
1. AutoProxy - Annotation Processing Library. Generates proxy class on top of interface/abstract class, that allows to intercept calls. Also known as a design pattern: proxy, delegate, interceptor.
easy-random - The simple, stupid random Java beans/records generator
lib