How to implement Fibonacci Sequence in JShell in Java 9?

JShell is a java shell tool introduced in Java 9 that allows us to execute Java code and print the results immediately. It is a REPL (Read-Evaluate-Print-Loop) tool run from the command line prompt.

If a number is Fibonacci Sequence, if each subsequent number is the sum of the two previous numbers.

In the example below, we can implement the Fibonacci sequenceseries in the JShell tool.

<strong>C:\Users\User\>jshell
| Welcome to JShell -- Version 9.0.4
| For an introduction type: /help intro

jshell> int x=0, y=1, z=0, count=5;
x ==> 0
y ==> 1
z ==> 0
count ==> 5

jshell> {
...>       System.out.println(x+"\n"+y);
...>       for(int i=0; i<count; i++) {</strong>
<strong>...>          x=y; y=z;</strong>
<strong>...>          z = x+y;</strong>
<strong>...>          System.out.println(z);
...>       }
...>    }
0
1
1
2
3
5
8
jshell></strong>

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