java jshell complete tutorial | java next level
java jshell complete tutorial | java next level
Introduction to Jshell
The Java Shell tool (JShell) is an interactive tool for learning the Java programming language and prototyping Java code.
It was introduced in JDK 9.
JShell is a Read-Evaluate-Print Loop tool (REPL),
which evaluates declarations, statements, and expressions as they are entered and immediately shows the results.
The tool is run from the command line.
Important jShell Commands
To start JShell, enter the jshell command on the command line.
JDK 9 or higher must be installed on your system. If your path doesn’t include the bin directory, for example java-home/jdk-16.0.1/bin, then start the tool from within that directory.
Jshell version
jshell -v
To clear content : CTL + L
To exit JShell, enter /exit or CTL+D
jshell: /
/! /? /drop /edit /env /exit /help /history /imports
/list /methods /open /reload /reset /save /set /types /vars
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