Update 2 files

• /FreqTableExampleOriginal.java
• /IntListVer2.java

Summary by Bito

This pull request introduces several new features including an airline miles redemption algorithm, binary conversion tool, ASCII frequency tables, and dynamic integer lists, while also delivering critical bug fixes focusing on naming consistency and syntax improvements. These changes enhance functionality with clear error handling, better modular structure, and establish a more reliable foundation for future feature development.

Unit tests added: False

Estimated effort to review (1-5, lower is better): 2