Java tutorial
import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.FileOutputStream; import java.util.Enumeration; import java.util.zip.ZipEntry; import java.util.zip.ZipFile; public class Main { public static void main(String[] argv) throws Exception { ZipFile zf = new ZipFile("a.zip"); Enumeration<? extends ZipEntry> files = zf.entries(); while (files.hasMoreElements()) { ZipEntry ze = files.nextElement(); System.out.println("Decompressing " + ze.getName()); System.out.println( " Compressed Size: " + ze.getCompressedSize() + " Expanded Size: " + ze.getSize() + "\n"); BufferedInputStream fin = new BufferedInputStream(zf.getInputStream(ze)); BufferedOutputStream fout = new BufferedOutputStream(new FileOutputStream(ze.getName())); int i; do { i = fin.read(); if (i != -1) fout.write(i); } while (i != -1); fout.close(); fin.close(); } zf.close(); } }