package;
import java.Lib;
import sys.ssl.Socket;
/**
 * ...
 * @author Tiger
 */
class Main 
{
	
	static function main() 
	{
		var sock:Socket = new Socket();
	}
	
}
Works very fine with cpp and js target but java:
Compiling:
haxe -main Main -java java
Error:
src\haxe\root\Main.java:37: package sys.ssl does not exist
sys.ssl.Socket ws = new sys.ssl.Socket();
haxe:3.4.7
hxjava:3.2.0