上で暗黙的な型付けには"var"は必要ないと書いたが、実際には、Java 11以降ではラムダパラメータの型宣言にvarを使うこともできるようになった。

This post explains how to use variables in Java. Learn the primitive types (and what that means) and just why variables are so important for any coding!

Learn three ways to document your code, then get started using identifiers, types, literals, and variables in Java 12 ...

A Java var keyword example As you can see from that simple code snippet, traditionally developed Java code lends itself to verbosity. But with the use of the var reserved work and the type inference, ...

New features like var, auto-compile, text blocks, record classes, and more are shifting Java in subtle but powerful ways—toward a more flexible, dynamic future.