[Solved] NoSuchFieldError: Class com.sun.tools.javac.tree.JCTree $JCImport
When rebuilding a Java or Spring application, after upgrading Java 21, you may face the issue “NoSuchFieldError: Class JCTree$JCImport does not have member field”.
Java 21 Unnamed Patterns and Variables (with Examples)
Unnamed patterns and variables represent the record components and local variables as an underscore (_) to denote that we’re not interested in them.
Java 21 Scoped Values: A Deep Dive with Examples
In Java 21, Scoped values are implicit method parameters and help in sharing data with virtual threads that can be created in millions.
Java Record Patterns and Pattern Matching
Learn what is pattern, and record patterns in detail along with how they help in pattern matching for instanceof and switch statements.
Java 21 Unnamed Classes and Instance Main Methods
Since Java 21, we can use unnamed classes and instance main methods that allow us to bootstrap a class with minimal syntax.
Java 21 Sequenced Collections
The new sequenced collection interfaces allow adding, retrieving, and removing elements at either end of the collection, along with a reverse-ordered view of it.
Java 21 Features (LTS): Practical Examples and Insights
This article discusses the new developer features in Java 21 including Virtual Threads, Unnamed classes, Sequenced Collections and Record Patterns.
Java 21 String Templates
This Java tutorial discusses string templates in Java which is a new addition to the language in Java 21 as a preview feature.
Java Structured Concurrency and StructuredTaskScope
Java 21 Structured concurrency (JEP-428) aims to simplify concurrency by treating multiple tasks running in different threads as a single unit of work.
Java Virtual Threads: Project Loom
In Java, Virtual threads (JEP-425) are JVM managed light-weight threads that will help in writing high throughput concurrent applications.