java.lang.NullPointerException

Stack Overflow | John Joe | 11 months ago
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  1. 0

    Display the item based on the first item in JComboBox

    Stack Overflow | 11 months ago | John Joe
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at gui.BuyTicket.displayDate()
    2. gui
      HomePage$2.mouseClicked
      1. gui.BuyTicket.displayDate(BuyTicket.java:131)
      2. gui.BuyTicket.createContentPane(BuyTicket.java:87)
      3. gui.BuyTicket.createAndShowGUI(BuyTicket.java:115)
      4. gui.HomePage$2.mouseClicked(HomePage.java:151)
      4 frames
    3. Java RT
      Component.processMouseEvent
      1. java.awt.Component.processMouseEvent(Unknown Source)
      1 frame