Java Code Documentation Flowchart

I need a flowchart to document my Java code using a clear and organized format. The flowchart will help visualize the code logic for better understanding.

Requirements:
- Create a flowchart based on existing Java code
- Use standard flowchart symbols and conventions
- Ensure accuracy in representing code logic
- Provide a digital copy in a common format (e.g., PDF, PNG)

Ideal Skills and Experience:
- Proficiency in Java programming
- Experience creating flowcharts and diagrams
- Attention to detail and accuracy
- Familiarity with documentation standards