Get the jar file : JarFile « File « Java Tutorial

1. Java Tutorial
2. File
3. JarFile

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

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();

    conn = (JarURLConnection) url.openConnection();
    JarFile jarfile = conn.getJarFile();
  }
}