import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
public class Main {
public static void main(String[] argv) throws Exception {
String[] filenames = new String[] { "filename1", "filename2" };
byte[] buf = new byte[1024];
String outFilename = "outfile.zip";
ZipOutputStream out = new ZipOutputStream(new FileOutputStream(outFilename));
for (int i = 0; i < filenames.length; i++) {
FileInputStream in = new FileInputStream(filenames[i]);
out.putNextEntry(new ZipEntry(filenames[i]));
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
out.closeEntry();
in.close();
}
out.close();
}
}