Fibonacci numbers Program plan: Import required packages Declare the main class named “Main”. Give the main method “public static void main ()” Create an object “sc” for the scanner class. Get a number from the user and store it in a variable “index”. Print the output by calling the function “fib ()”. Give function definition for the static method “fib ()”. Declare the required variables “f0”, “f1”, and “currentFib” Check if the value is equal to zero. Return 0. Check if the value is equal to 1. Return 1. Loop n times starting from 2. Add the values “f0” and “f1” and store it in a variable “currentFib”. Assing “f1” to “f0”. Assign “currentFib” to “f1”. Return the value “f1”.

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Chapter 18, Problem 18.2PE

Program Plan Intro

Fibonacci numbers

Program plan:

Import required packages

Declare the main class named “Main”.

Give the main method “public static void main ()”

Create an object “sc” for the scanner class.

Get a number from the user and store it in a variable “index”.

Print the output by calling the function “fib ()”.

Give function definition for the static method “fib ()”.

Declare the required variables “f0”, “f1”, and “currentFib”

Check if the value is equal to zero.

Return 0.

Check if the value is equal to 1.

Return 1.

Loop n times starting from 2.

Add the values “f0” and “f1” and store it in a variable “currentFib”.

Assing “f1” to “f0”.

Assign “currentFib” to “f1”.

Return the value “f1”.

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