How to make font bold in java dialogue box?

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I have this:

JOptionPane.showMessageDialog(null, \" \" + company1 + 
            \" Has Higher A Market Value\\nThan \" + company2,
                \"Informa


                      
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                  半阙折子戏        
                
              
                            
                2020-12-17 19:00
              
            
            
                                                                       
Use HTML  

JOptionPane.showMessageDialog(null, "<html> <b> Has </b>Higher A Market Value</html> ");


If your default font doesn't support it then you can specify it like

 String msg = "<html>This is how to get:<ul><li><i>italics</i> and "
        + "<li><b>bold</b> and "
        + "<li><u>underlined</u>...</ul></html>";
        JLabel label = new JLabel(msg);
        label.setFont(new Font("serif", Font.PLAIN, 14));
        JOptionPane.showConfirmDialog(null, label);  


Output:  


                                                                        
                                                        
            
            
              
                
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