GitHub

gradle generateAot task failed Cannot subclass primitive, array or final types class java.lang.String

... > Task :generateAot FAILED FAILURE: Build failed with an exception. * What went wrong: Execution failed for task ':generateAot'. > Problem creating proxy with ...
GitHub

Calling super() in a reopened Java subclass method triggers NPE in IRRuntimeHelpers.javaProxySuper

This logic always blindly proceeded to Ruby < Java subclass super logic for all JavaProxy, but many JavaProxy are just normal Java classes wrapped with our Ruby proxy logic. In this latter case, we ...
InfoWorld

Java Tip 113: Identify subclasses at runtime

You can write a simple generic launcher in the following way: public class Launcher{ public static void main(String[] args){ if (args.length>0) { try { Command ...
InfoWorld

Java polymorphism and its types

Learn the four types of polymorphism in Java, then start using subtype polymorphism to execute different forms of the same Java method. Polymorphism refers to the ability of some entities to occur in ...