Instance main methods and unnamed classes are a preview feature in Java 21. Other Java 21 preview features preview features include the following: Unnamed patterns and variables. Scoped values.

Unnamed Classes and Instance Main Methods, which is also in preview, simplifies the introduction to Java for new programmers by allowing student-built programs to be compiled and run without a ...

Now, the Java 21-based binaries are available for download. "The release of Java 21, which includes both Language and Virtual Machine specifications changes, contains a series of features that sets ...

Java’s main function Java’s main function. Java’s main method is composed of six terms — three reserved words, the main method name, a reference type and a variable name: public – Java’s main function ...

Java would become easier for students to learn under a proposal to introduce flexible main methods and anonymous main classes to the language. This is a preview language feature, disabled by ...