Concatenating Strings with StringBuilder

In this problem, you will create a program that reads 3 words from Scanner, joins them with - using StringBuilder, and displays the joined result, its reverse, and its length to standard output.

Learning Objective: Understand basic StringBuilder operations (append, insert, reverse, toString)

Overview

Read 3 words from Scanner and use StringBuilder to process and output the strings.

Specifications

1. Read 3 words one per line from Scanner
2. Use StringBuilder to join them with -
3. Print Joined: <result>
4. Reverse the joined string and print Reversed: <reversed>
5. Print Length: <char count>

Input Example

Java
is
fun

Output Format

Joined: Java-is-fun
Reversed: nuf-si-avaJ
Length: 11