To create a program for automatically generating threads in a forum, PHP is recommended as the most suitable programming language, especially since the forum software is likely built in PHP. Beginners can use simple text editors like Notepad or TextPad to write PHP code. Learning resources are available at php.net. Once the PHP code is written, it should be executed on a web server like Apache or IIS, or from a shell. Direct access to the forum's database is suggested for creating threads, minimizing the need to manage URLs or data handling. While Java can also be used for internet interactions, PHP is favored for its ease of use for beginners. For those looking to develop more advanced programming skills, starting with C or similar languages is advised, while scripting languages like Perl, Ruby, Python, or PHP are suitable for simpler tasks. Ultimately, the choice of programming language should align with the user's goals as a programmer.