Decompress a zip file using ZipFile
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[] args) throws Exception { String zipname = "data.zip"; ZipFile zipFile = new ZipFile(zipname); Enumeration enumeration = zipFile.entries(); while (enumeration.hasMoreElements()) { ZipEntry zipEntry = (ZipEntry) enumeration.nextElement(); System.out.println("Unzipping: " + zipEntry.getName()); BufferedInputStream bis = new BufferedInputStream(zipFile.getInputStream(zipEntry)); int size; byte[] buffer = new byte[2048]; BufferedOutputStream bos = new BufferedOutputStream( new FileOutputStream(zipEntry.getName()), buffer.length); while ((size = bis.read(buffer, 0, buffer.length)) != -1) { bos.write(buffer, 0, size); } bos.flush(); bos.close(); bis.close(); } } }