java.lang.NullPointerException: This exception has no message.

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via Coderanch by Johannes Thorén, 1 year ago
java.lang.NullPointerException:
at se.kth.ict.carrental.model.CarRegister.checkCD(CarRegister.java:23)
at se.kth.ict.carrental.model.CarDescription.checkWithRegister(CarDescription.java:28)
at se.kth.ict.carrental.controller.Controller.startRental(Controller.java:28)
at se.kth.ict.carrental.view.View.testRun(View.java:36)
at se.kth.ict.carrental.startup.Startup.main(Startup.java:19)

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