Java tutorial
import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.util.zip.ZipEntry; import java.util.zip.ZipOutputStream; public class MainClass { public static void main(String[] args) throws IOException { String outputFile = "new.zip"; // Default to maximum compression int level = 9; int start = 1; FileOutputStream fout = new FileOutputStream(outputFile); ZipOutputStream zout = new ZipOutputStream(fout); zout.setLevel(level); for (int i = start; i < args.length; i++) { ZipEntry ze = new ZipEntry(args[i]); FileInputStream fin = new FileInputStream(args[i]); try { System.out.println("Compressing " + args[i]); zout.putNextEntry(ze); for (int c = fin.read(); c != -1; c = fin.read()) { zout.write(c); } } finally { fin.close(); } } zout.close(); } }