// validating/LoaderAssertions.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// Using the class loader to enable assertions
// {ThrowsException}

public class LoaderAssertions {
 public static void main(String[] args) {
 ClassLoader.getSystemClassLoader()
 .setDefaultAssertionStatus(true);
 new Loaded().go();
 }
}

class Loaded {
 public void go() {
 assert false: "Loaded.go()";
 }
}
/* Output:
___[ Error Output ]___
Exception in thread "main" java.lang.AssertionError:
Loaded.go()
 at Loaded.go(LoaderAssertions.java:15)
 at
LoaderAssertions.main(LoaderAssertions.java:9)
*/