https://github.com/TamiMaimone/Source-Code-Inspection/blob/56b0f5f298c765bf108a41a45cc744f46a5bd433/Source%20Code%20Inspection/src/br/calebe/ticketmachine/core/TicketMachine.java#L40 O return null poderia ser substituído por um Exception
Source-Code-Inspection/Source Code Inspection/src/br/calebe/ticketmachine/core/TicketMachine.java
Line 40 in 56b0f5f
O return null poderia ser substituído por um Exception