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Chilkat2 Java
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Zip;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example assumes the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        Zip zip = new Zip();

        String zipPath = "c:/temp/myFiles.zip";

        // Initialize the zip object, which also sets the FileName property to the path of the zip to be created.
        zip.newZip(zipPath);

        // Append references to files to be zipped.
        boolean recurse = true;
        try {
            zip.appendFiles("c:/temp/files_to_zip/*", recurse);

            // Write the .zip and close the zip file (and clears the zip object).
            zip.writeZipAndClose();
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println("Successfully created " + zipPath);

        // If the following files existed under c:/temp/files_to_zip

        // c:/temp/files_to_zip/aaa/pigs.json
        // c:/temp/files_to_zip/bbb/base64Cert.txt
        // c:/temp/files_to_zip/bbb/sub1/brasil_cert.pem
        // c:/temp/files_to_zip/bbb/sub2/penguins.gif
        // c:/temp/files_to_zip/bbb/sub2/starfish.jpg
        // c:/temp/files_to_zip/hamlet.xml
        // c:/temp/files_to_zip/hello.pdf

        // then the zip we created would contain:

        // aaa/pigs.json
        // bbb/base64Cert.txt
        // bbb/sub1/brasil_cert.pem
        // bbb/sub2/penguins.gif
        // bbb/sub2/starfish.jpg
        // hamlet.xml
        // hello.pdf
    }
}