• Find a suitable binary search API (a Red-black tree API, if possible) for Java or you can use TreeMap API. Search the Javadocs of the API and become familiar with its methods.
• Develop methods similar to old classes providing appropriate Java docs and algorithmic step explanations within the code.
• For easy readability, use full variable names instead of short 2-3 character abbreviations. For code reusability, develop separate methods when available.

Evaluate the existing data structure (MemberAccountOld.java and MemberDataOld.java), and develop variables and methods (including constructors, getters, and setters) for MemberDataNew.java and.