JShell is a new java shell tool released in java 9. It is the first official REPL (Read-Evaluate-Print-Loop) application. This tool helps in executing and evaluating simple java programs and logics such as statements, loops, expressions, and etc. Java REPL provides a simple programming environment in the command prompt. It can read the input, evaluate it and print the output.
In the below example we can able to create a class and object in JShell using command prompt.
Example
jshell> class Employee { ...> private String name; ...> Employee(String name) { ...> this.name=name; ...> } ...> String getName() { ...> return name; ...> } ...> void setName(String name) { ...> this.name=name; ...> } ...> } | created class Employee
Example
jshell> Employee emp = new Employee("Adithya") emp ==> Employee@4b952a2d jshell> emp.getName() $3 ==> "Adithya"