How has JShell changed in recent Java versions?

JShell, the Java shell introduced in JDK 9, has seen several enhancements in subsequent Java releases, making it a more powerful tool for developers. Key changes include improved performance, support for additional Java language features, and enhanced usability for interactive coding and testing.

In JDK 11, for example, JShell gained the ability to use local variable type inference (`var`), making it easier to write concise code. Later versions, like JDK 13 and 14, introduced features such as enhanced error handling and support for switch expressions, providing users with a richer interactive experience.


JShell Java shell JDK 9 Java features interactive coding performance enhancements local variable type inference