Update DMatch.java

[Chip7853]

To provide an update for DMatch.java, I need more context about what changes or features you want to implement. Here are some common aspects you might consider updating:

1. Performance Improvements: Optimize algorithms or data structures for better efficiency.
2. Bug Fixes: Identify and resolve any existing issues or exceptions.
3. Feature Additions: Introduce new functionality, such as additional matching criteria or visualization options.
4. Code Refactoring: Improve code readability and maintainability without changing functionality.
5. Documentation: Add or update comments and documentation for clarity.