**Assignment: Creating a Java Program**Objective: Develop a Java program that prompts the user to input a string. The program should then calculate and output the length of the longest palindromic substring that can be formed using the characters from the user-provided string.Instructions:1. Create a Java class to handle user input.2. Implement a method to determine all possible palindromic substrings.3. Calculate and print the length of the longest palindromic substring. Note: A palindrome is a sequence that reads the same backward as forward. Ensure your program efficiently handles the input to provide the correct length of the palindrome.

Answered: Write a Java Program to take astring…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

**Assignment: Creating a Java Program**

Objective:

Develop a Java program that prompts the user to input a string. The program should then calculate and output the length of the longest palindromic substring that can be formed using the characters from the user-provided string.

Instructions:

1. Create a Java class to handle user input.
2. Implement a method to determine all possible palindromic substrings.
3. Calculate and print the length of the longest palindromic substring.

Note: A palindrome is a sequence that reads the same backward as forward. Ensure your program efficiently handles the input to provide the correct length of the palindrome.

Expert Solution

Step 1

Required:

Write a Java Program to take a String from the user and your task is to print the length of the longest palindromic string which can be formed from the user string character.

Approach:

Take the String from the user using the Scanner class object and then make a frequency map from that string & after that iterate over that map and then make pair from its frequency $(\frac{f r e q u e n c y o f t h a t c h a r a c t e r}{2}) \times 2$ and add its value to the count variable and then print the over count variable on the console.