How to create a ZIP File in Java? ZipEntry and ZipOutputStream Compression Example

Since compressing and archiving old log file is an essential housekeeping job in any Java application environment, a Java programmer should know how to compress files in .zip format and then how to read them programmatically if required. The JDK provides full support to create and read ZIP files in Java. There is a separate package java.util.zip to hold all classes related zipping and unzipping files and streams. In this series of article, you will learn how to use those classes e.g. ZipFile, ZipEntry, ZipInputStream, and ZipOutputStream etc. This is the second article about how to work with compressed archives in Java e.g. .zip files. In the last article, I have shown you how to read ZIP archives in Java and today, I'll teach you how to compress files in the ZIP file format by yourself using a Java program. You will compress a bunch of text file to create a .zip file by using JDK's ZIP file support classes.

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