java.lang.NullPointerException

Stack Overflow | Pawel15t | 3 months ago
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at Lekcja2.QUIZ.main()
    2. Lekcja2
      QUIZ.main
      1. Lekcja2.QUIZ.main(QUIZ.java:14)
      1 frame