Java by API/java.net/JarURLConnection

JarURLConnection: getJarEntry()

 
import java.net.JarURLConnection;
import java.net.URL;
import java.util.jar.JarEntry;
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();
    JarEntry jarEntry = conn.getJarEntry();
  }
}

JarURLConnection: getJarFile()

 
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();
    JarFile jarfile = conn.getJarFile();
  }
}