Java extract zip

        String sourceFile = "test1.txt";
        FileOutputStream fos = new FileOutputStream("compressed.zip");
        ZipOutputStream zipOut = new ZipOutputStream(fos);
        File fileToZip = new File(sourceFile);
        FileInputStream fis = new FileInputStream(fileToZip);
        ZipEntry zipEntry = new ZipEntry(fileToZip.getName());
        zipOut.putNextEntry(zipEntry);
        byte[] bytes = new byte[1024];
        int length;
        while((length = fis.read(bytes)) >= 0) {
            zipOut.write(bytes, 0, length);
        }
        zipOut.close();
        fis.close();
        fos.close();

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