import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.util.Date; import java.util.zip.*; public class Test { private static String SOURCE_FILE = "D:\\file\\44.txt"; private static String TARGET_FILE = "D:\\file\\myzip.zip"; public static void main(String[] args) { try { createZipFile(); readZipFile(); } catch(IOException ioe) { System.out.println("IOException:" + ioe); } } private static void createZipFile() throws IOException{ FileOutputStream fout = new FileOutputStream(TARGET_FILE); CheckedOutputStream checksum = new CheckedOutputStream(fout, new Adler32()); ZipOutputStream zout = new ZipOutputStream(checksum); FileInputStream fin = new FileInputStream(SOURCE_FILE); ZipEntry zipEntry = new ZipEntry("44.txt"); zout.putNextEntry(zipEntry); zout.setComment("This is a sample comment."); int length; byte[] buffer = new byte[1024]; while((length = fin.read(buffer)) > 0) { zout.write(buffer, 0, length); } zout.closeEntry(); zout.finish(); fin.close(); zout.close(); } private static void readZipFile() throws IOException{ ZipInputStream zin = new ZipInputStream(new FileInputStream(TARGET_FILE)); ZipEntry entry; while((entry = zin.getNextEntry())!=null){ System.out.printf("File:%s Modified on %TD %n", entry.getName(), new Date(entry.getTime())); System.out.println(entry.getComment()); extractFile(entry, zin); System.out.printf("Zip file %s extracted successfully.", SOURCE_FILE); zin.closeEntry(); } zin.close(); } private static void extractFile(final ZipEntry entry, ZipInputStream is) throws IOException { FileOutputStream fos = null; try { fos = new FileOutputStream(entry.getName()); while(is.available() != 0){ fos.write(is.read()); } } catch (IOException ioex) { fos.close(); } } }