import javax.swing.*; import java.awt.*; import java.awt.event.*; public class DetectConvertion implements ActionListener{ public JTextField champsFarenheit; public JTextField champsCelsius; public DetectConvertion(JTextField champsFarenheit, JTextField champsCelsius){ this.champsFarenheit = champsFarenheit; this.champsCelsius = champsCelsius; } @Override public void actionPerformed(ActionEvent evenement){ String valeur = evenement.getActionCommand(); this.champsCelsius.setText(""); this.champsFarenheit.setText(valeur); } }