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Java Excel: Ajouter une image dans un fichier Excel

By | Published: 14 March 2014 
// Lirel'image à l'aide d'un stream
InputStream inputStream = new FileInputStream("c:/no_image.jpg");
 byte[] bytes = IOUtils.toByteArray(inputStream);
//Ajouter l'image au classeur
 int pictureIdx = wb.addPicture(bytes, Workbook.PICTURE_TYPE_JPEG);
  //fermer le stream
  inputStream.close();
0

Java: Capturer l’écran

By | Published: 23 October 2013 
Rectangle(Toolkit.getDefaultToolkit().getScreenSize()));
ImageIO.write(screenShot, "JPG", new File("screenShot.jpg"));   
 if (!Desktop.isDesktopSupported()) 
return;
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Exemple des Identificateurs de ressource internationalisés(URI)

By | Published: 29 March 2013 
{filelink=877}
 
 
import java.net.URI;
import java.net.URISyntaxException;
 
public class ExempleIRI {
  public static voi
0

Java: Exemple de JLabel

By | Published: 11 February 2013 
     textIconLabel.setText( "JLabel avec icône" );
     textIconLabel.setIcon( icon ); 
     textIconLabel.setHorizontalTextPosition( SwingConstants.CENTER
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Charger des images avec Swing Worker

By | Published: 23 January 2013 
 
 
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.List;
import java.ut
0

Java: Comment utiliser un TreeSet

By | Published: 2 December 2012 
NavigableSet<String> myTree = new TreeSet<String>(Collections.reverseOrder());
		Collections.addAll(myTree,
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Java-Swing: Définir l’orientation des textes de gauche à droite

By | Published: 2 December 2012 
    final JTextField txtTest = new JTextField("Bienvenu sur Java", 30);
    // Orienter le texte de gauche à droite(Configuration par défaut)
    txtTest.setHorizontalAlignment(JTextField.LEFT)
0

Exemple de polymorphie*

By | Published: 25 November 2012 
{filelink=11163}
 class WithFinals {
  // Identical to "private" alone:
  private final void f() {
    System.out.printl
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Java: Centrer le texte de JTextField

By | Published: 12 November 2012 
    frame.getContentPane( ).add(tf);
    frame.setSize(350, 75);
    frame.setVisible(true);
    tf.requestFocus( );
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Java: Créer un composant image qui supporte des niveaux de transparence avec ‘Transparency.TRANSLUCENT’

By | Published: 2 November 2012 
import java.awt.Graphics;
import java.awt.Graphics2D;
g2d.getDeviceConfiguration().createCompatibleImage(
 width, height, Transparency.TRANSLUCENT
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Exemple complet de varargs

By | Published: 30 September 2012 
 {filelink=4623}
 
import java.io.IOException;
import java.io.PrintStream;
import java.util.LinkedList;
import java.util.
0

Varargs: Exemple de surcharge et ambiguïté

By | Published: 18 September 2012 
 {filelink=4618}
 
public class SurchargeEtAmbiguite {
 
  static void testVa(int... v) {
    System.out.print( "Nombre de
0

Gestion des Exceptions: Comment mettre un printStackTrace() dans un String

By | Published: 16 September 2012 
{filelink=4365}
 
 
import java.io.PrintWriter;
import java.io.StringWriter;
 
public class ExempleException {
  public sta
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Java: Lire un Fichier encodé en UTF-8

By | Published: 7 September 2012 
<pre lang='java'>
 
 
        StringBuilder str=new StringBuilder();
        try
        {   BufferedReader br = new BufferedReader
        (new InputStreamReader
      (new java.io.FileInputStream(nomFichier), "utf8"));
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Comment suspendre et reprendre un thread en cours d’exécution

By | Published: 5 September 2012 
 import java.awt.*;
 import java.awt.event.*;
 import javax.swing.*;
 
/****
 * Le programme suspend