LuizGC

import java.net.URL;
import java.net.URLConnection;
import java.nio.charset.StandardCharsets;
import java.util.zip.ZipInputStream;

public class Main {
	public static void main(String... args) throws Exception {
		URL url = new URL(args[0]);
		URLConnection con = url.openConnection();
		ZipInputStream zipStream =  new ZipInputStream(con.getInputStream());

LuizGC

		//Null pointer exception risk
		item.getOne().getTwo().whereIsTheData(); 
		
		//or ugly
				
		One one = item.getOne();
		if (one != null) {
			Two two = one.getTwo(); 
			if (two != null) {
				Data data = two.whereIsTheData();