To Compress a big file in a ZIP with Java - Stack Overflow
2010年3月14日 · I have the need to compress a one Big file (~450 Mbyte) through the Java class ZipOutputStream ...
What's a good compression library for Java? - Stack Overflow
2008年9月24日 · Reading further comments it looks like the network taffic is HTTP. Depending on the server, it probably has support for compression (especially with deflate/gzip). The problem then becomes on the client. If the client is a browser it probably already supports it.
gzip - Java Compress Large File - Stack Overflow
2016年2月10日 · Yup. Depends on the tradeoff you want between complexity and performance. Java has ZIP support as part of the standard library (see other comment), but you will get MUCH better compression using bzip, or tar.gz. Apache Compress is the easiest way to work with those formats, if you're willing to accept the extra JAR dependencies. –
file io - Compressing and decompressing large size data in java ...
2016年4月10日 · Please suggest me some fast compressing and decompressing library in java, i also want to split the large file in different parts such as in a chunk of 100MB each. java file-io
How can I compress images using java? - Stack Overflow
This is only for one image but I am sure I will have lots of images for compression. so how can I compress image by passing bytes or percentage as a parameter or using anyother calculations in java (by using API or image-processing Tool) so,that I can get compressed version of image as suggested by google. Thanks in advance.
Compressing large files using blocks in Java - Stack Overflow
2014年2月7日 · Java comes with “java.util.zip” library to perform data compression in ZIp format. The overall concept is quite straightforward. Library reads file with “FileInputStream”. And add the file name to “ZipEntry” and output it to “ZipOutputStream“
How to create a zip file in Java - Stack Overflow
2009年7月7日 · Java 7 has ZipFileSystem built in, that can be used to create, write and read file from zip file. Java Doc: ZipFileSystem Provider
java - How can I set the compression level (to none) with Zip File ...
2019年11月12日 · using the zipfs, you cannot control the compression level, as the default is used; alternatively, you could use java.util.zip.ZipOutputStream where you can control the compression method per ZipEntry a starting point might be this post Creating ZIP and JAR Files; for Java versions >= 12. there is an option noCompression to control the ...
java - PDF Compression Techniques - Stack Overflow
2016年5月4日 · I am trying to compress PDF document in Java. The original file size is 1.5-2 MB and we need to bring it down to less than 1 MB. I tried using iText compression on it, however the results are not that effective and file size is still greater than 1 MB.
Implementing in-memory compression for objects in Java
2015年2月21日 · Compression of searilized objects in Java is usually not well... not so good. First of all you need to understand that a Java object has a lot of additional information not needed. If you have millions of objects you have this overhead millions of times. As an example lets us a double linked list.