java - How Do I Set An Icon For JLabel -

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I want to set an icon for a JLLL, someone can give me the syntax example

I have tried this: 

  jlab icon = new jlab (); Image Icon chromo = createImageIcon ("res / icon.png"); Panel.add (icon); Icon.setIcon (sun); After that, I tried that the label was not visible at all on the panel.   
 
 
  jlab icon = new jlab (); Image Icon chromo = createImageIcon ("res / icon.png"); Icon.setIcon (sun); Panel.add (icon);  
 
 And do not forget to check your layout .... if its full you need to add boundaries 
 
  icon.setBounds (startX, StartY, width, height);

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