Set JOptionPane button labels to French in Java

//  w  ww.  j  ava 2 s . c  o  m
   
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.UIManager;

public class Main {
  public static void main(final String[] args) {

    UIManager.put("OptionPane.cancelButtonText", "Annuler");
    UIManager.put("OptionPane.noButtonText", "Non");
    UIManager.put("OptionPane.okButtonText", "D'accord");
    UIManager.put("OptionPane.yesButtonText", "Oui");

    JFrame parent = new JFrame();

    
    String multiLineMsg[] = { "Hello,", "World"} ;
    JOptionPane.showMessageDialog(parent, multiLineMsg);
  }
}