Decompress a zip file using ZipFile : Zip Tar File « File Input Output « Java

Decompress a zip file using ZipFile

import java.util.Enumeration;

public class Main {
  public static void main(String[] args) throws Exception {
    String zipname = "";
    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 =, 0, buffer.length)) != -1) {
        bos.write(buffer, 0, size);


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