/! is used to run last Executed Statement.

 

Step 1: Open terminal and execute the command jshell.

$jshell
|  Welcome to JShell -- Version 10.0.2
|  For an introduction type: /help intro

jshell> 

 

Step 2: Execute below statements.

System.out.println("Hello")

System.out.println("***********")

jshell> System.out.println("Hello")
Hello

jshell> System.out.println("***********")
***********

 

Step 3: Execute the command /! To re run last Executed statement.

jshell> /!
System.out.println("***********")
***********

 

 

 

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