Source Code : Display error message dialog with JOptionPane.ERROR_MESSAGE

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Display error message dialog with JOptionPane.ERROR_MESSAGE

   

import javax.swing.JOptionPane;
import javax.swing.JPanel;

public class JOptionPaneERROR_MESSAGE {

  public static void main(String[] args) {
    final JPanel panel = new JPanel();

    JOptionPane.showMessageDialog(panel, "Could not open file", "Error", JOptionPane.ERROR_MESSAGE);

  }
}

   
    
    
  

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