Skip to content
Related Articles

Related Articles

Improve Article

Using Variables in JShell of Java 9

  • Last Updated : 15 Apr, 2018

Prerequisite : JShell in Java 9

We can declare variables and use anywhere throughout Jshell session. Let’s create an
integer variable.

Attention reader! Don’t stop learning now. Get hold of all the important Java Foundation and Collections concepts with the Fundamentals of Java and Java Collections Course at a student-friendly price and become industry ready. To complete your preparation from learning a language to DS Algo and many more,  please refer Complete Interview Preparation Course.

jshell variable  example

Semicolon (;) is optional, we can leave it and it works fine. See, variable b is created without using semicolon.

jshell variable

Scratch Variables

If we don’t provide variable name, Java create implicit variable to store the value. These variables start with $ sign. We can use these variable by specifying implicit variable, as we did in the in the following screen-shot.

jhsell variable


We can test any valid Java expression to get instant output. See, the following example.
Adding two integers
jshell add

Compound expression

Creating and Calling Methods
To test method business logic, create a method and get result immediately. See, the following example

jshell method

jshell calling

My Personal Notes arrow_drop_up
Recommended Articles
Page :