In most cases level 2 transformed source code is identical to level 3 transformed code.
Level 2 restructuring
- automatically makes a level 3 transformation of all programs that do not need to be manually modified after it,
- automatically makes a level 1 transformation of all other programs.
100% automation
Regression testing limited by sampling
Preferred usage
Applications with a lower maintenance and/or development rate
< level 3 restructuring or Cobol source code