ZipEntry: getSize()
import java.io.FileInputStream; import java.util.Date; import java.util.zip.ZipEntry; import java.util.zip.ZipInputStream; public class Main { public static void main(String[] args) throws Exception { FileInputStream fis = new FileInputStream(args[0]); ZipInputStream zis = new ZipInputStream(fis); ZipEntry ze; while ((ze = zis.getNextEntry()) != null) System.out.println(ze.getName() + " [" + ze.getSize() + "] [" + new Date(ze.getTime()).toString() + "]"); } }