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

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via Coderanch by Alex Derek, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at cam.pippo.Parameters.setFirstCharParameter(Parameters.java:19)
at cam.pippo.Parameters.getFirstCharParameter(Parameters.java:23)
at cam.pippo.methodIndexOf.IndexOfVariants.(IndexOfVariants.java:11)
at cam.pippo.ExerciseWithString.go(ExerciseWithString.java:26)
at cam.pippo.ExerciseWithString.main(ExerciseWithString.java:21)

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