HttpsCertChecker.java

import java.net.*;

/**
 * Usage: java -Djavax.net.ssl.trustStore=/path/to/cacerts -Djavax.net.ssl.trustStorePassword=changeit HttpsCertChecker
 */
public class HttpsCertChecker {
	public static void main(String[] args) throws Exception {
		URL url = new URL("https://stewie.sch.bme.hu");
		url.openConnection().getInputStream();
	}
}