I am trying to compile and load dynamically generated Java code during runtime. Since both ClassLoader::defineClass and Unsafe::defineAnonymousClass have serious drawbacks in this scenario, I tried using hidden classes via Lookup::defineHiddenClass instead. This works fine for all classes that I tried to load, except for those that call lambda expressions or contain anonymous classes. Calling a lambda expression throws the
Tag: java-15
What is the Text Blocks (or Multiline Strings) feature in Java?
Locked. There are disputes about this question’s content being resolved at this time. It is not currently accepting new answers or interactions. Java SE 13 introduced Text Blocks (or Multiline Strings) feature. What are its differences and the similarities with the existing string representation? Answer What is a text block? A text block is a multi-line string literal and the
NetBeans 12.0: “Class does not have a main method” (but it does)
NetBeans 12.0 Jdk 15 I cannot launch my program, clicking the green run button doesn’t do anything, and right click + run file on MainFrame gives the error “Class does not have a main method”…
Java generics impossible assignment?
Every time I think I understand generics better (and can answer without compiling), I get to an example where this theory breaks. Here is a very simple example: static void consumer(List<? super …
Specific JDK in eclipse.ini for Eclipse IDE version 2020-09 use JDK 15, not default JDK what declared in system environment variable
Eclipse 2020-09, Error: Version 1.8.0_261 of the JVM is not suitable for this product. Version: 11 or greater is required. I must set Java environment to JDK 1.8 for Gradle work correctly in some …