java.lang.NullPointerException

Coderanch | Norm Radder | 12 months ago
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  1. 0

    problems adding keyListener to JFrame class

    Coderanch | 12 months ago | Johnny Januan
    java.lang.NullPointerException
  2. 0

    problems adding keyListener to JFrame class

    Coderanch | 12 months ago | Norm Radder
    java.lang.NullPointerException
  3. 0

    problems adding keyListener to JFrame class

    Coderanch | 12 months ago | Johnny Januan
    java.lang.NullPointerException
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  5. 0

    problems adding keyListener to JFrame class

    Coderanch | 12 months ago | Johnny Januan
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at laberinto.Casilla.paintComponent()
    2. laberinto
      Mapa.paintComponent
      1. laberinto.Casilla.paintComponent(Casilla.java:90)
      2. laberinto.Mapa.paintComponent(Mapa.java:83)
      2 frames