Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.net.JarURLConnection;
import java.net.URL;
import java.util.jar.Attributes;

public class Main {
    public static void main(String[] argv) throws Exception {
        URL url = new URL("jar:file:/c://my.jar!/");
        JarURLConnection conn = (JarURLConnection) url.openConnection();

        Attributes attrs = conn.getMainAttributes();
        System.out.println(attrs.isEmpty());
    }
}