1. Rename Method (function renaming)
2. Add Parameter (Adding parameters)
3, remove Parameter (remove parameters)
4. Separate query form Modifier (separating the query parameters from the modified parameters)
5, parameterize Method (the function carrying parameters)
6. Replace Parameter with Explicit Methods (replace parameter with explicit function)
7. Preserve Whole Object (keep the objects intact)
8. Replace Parameter with Methods (replace parameter with function)
9. Introduce Parameter object (introduction of Parameter objects)
10. Remove Setting Method (remove set function)
11. Hide method (hidden function)
12. Replace Constructor with Factory Method (replace constructor with factory function)
13, encapsulate downcast (package downward transformation)
14. Replace error code with Exception (replace the wrong code with an exception)
15, replace Exception with test (replace exception with test)
Simplified function invocation of reconstruction technique (II.)