import java.io.File;
import java.io.FileInputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

public class ZipFileSize {
    public static void main(String[] args) {
        File file = new File("path/to/your/file.zip");
        long totalSize = 0;

        try (ZipInputStream zis = new ZipInputStream(new FileInputStream(file))) {
            ZipEntry entry;
            while ((entry = zis.getNextEntry()) != null) {
                totalSize += entry.getSize();
            }
            System.out.println("Total size of the ZIP file: " + totalSize + " bytes");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}