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Editorial Team
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Asked: 2026-05-27T15:45:22+00:00

I use this code to display image that locates outside the my java project,

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I use this code to display image that locates outside the my java project, but I got NullPointerException every time and I can only use images that are inside my project directory. why ?

Icon welcomeImg = new ImageIcon(getClass().getResource("D:/img/welcome.png"));
or 
Icon welcomeImg = new ImageIcon(getClass().getResource("D://img/welcome.png"));

JLabel welcomingLb = new JLabel(welcomeImg);
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1 Answer

  1. Editorial Team

    You do not need to use the ClassLoader class to access your file since you are giving its full path.

    Try instead :

    Icon welcomeImg = new ImageIcon("D:/img/welcome.png");

    Source : Javadoc of ImageIcon(String filename)

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