Namespace Javax.Imageio.Plugins.Jpeg Classes JPEGHuffmanTable https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/javax/imageio/plugins/jpeg/JPEGHuffmanTable.html JPEGImageReadParam https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/javax/imageio/plugins/jpeg/JPEGImageReadParam.html JPEGImageWriteParam https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/javax/imageio/plugins/jpeg/JPEGImageWriteParam.html JPEGQTable https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/javax/imageio/plugins/jpeg/JPEGQTable.html