java.lang.NullPointerException

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    • java.lang.NullPointerException at Test.columnHeaderWidth(Test.java:59) at Test.getPreferredWidthForColumn(Test.java:51) at Test.<init>(Test.java:35) at Test.main(Test.java:83)

    Users with the same issue

    Alireza Mohamadi
    2 times, last one,
    Unknown visitor1 times, last one,