28 lines
785 B
Java
28 lines
785 B
Java
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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public class Fond Attente ActionListener {
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static JPanel panneau;
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public static void main(String[] args) {
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JFrame fenetre = new JFrame("Fond");
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fenetre.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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fenetre.setSize(500, 500);
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JPanel panneau = new JPanel();
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fenetre.add(panneau);
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fenetre.setVisible(true);
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}
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}
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try {
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int n = Integer.parseInt(args[0]);
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System.out.println("En hexadecimal" + Integer.toHexString(n));
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}catch(NumberFormatException e){
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System.err.println("Ceci n'est pas un" + "entier !");
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} catch(ArrayIndexOutOfBoundsException e){
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System.err.println("Il faut un argument :");
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}
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