| Non-static access to static member |
| Method with a constructor Name |
| Potential programming problems |
| Assignment as no effect: Error |
| Possible accidental boolean assignment:Error |
| finally does not complete normally |
| Using a char array in string concatenation |
| Name shadowing and conflicts |
| Field declaration hides another field or variable |
| Type parameter hides another type |
| Interface methods conflicts with protected Object method |
| Depreciated and restricted API |
| Forbidden reference:Error |
| Local variable is never read |
| Unnecessary cast of instanceof operation |
| Unused break/continue label |
