java.lang.NullPointerException

Stack Overflow | Ekrem Solmaz | 2 months ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at javax.swing.ImageIcon.<init>()
  2. Java RT
    ImageIcon.<init>
    1. javax.swing.ImageIcon.<init>(Unknown Source)
    1 frame
  3. Unknown
    test.main
    1. Gui.<init>(Gui.java:22)
    2. test.main(test.java:7)
    2 frames