java.lang.NullPointerException

Stack Overflow | Martyn | 7 months ago
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    Extending JComboBox, errors when building with addItem and String []

    Stack Overflow | 7 months ago | Martyn
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at biz.martyn.budget.CategoryComboBox.update()
    2. biz.martyn.budget
      Budget.main
      1. biz.martyn.budget.CategoryComboBox.update(CategoryComboBox.java:24)
      2. biz.martyn.budget.CategoryComboBox.<init>(CategoryComboBox.java:17)
      3. biz.martyn.budget.NewTransactionDialog.<init>(NewTransactionDialog.java:36)
      4. biz.martyn.budget.TransactionsToolbar.<init>(TransactionsToolbar.java:34)
      5. biz.martyn.budget.Budget.main(Budget.java:41)
      5 frames